Mastery Topics 1-1 Demo 2

Reviewed by Editorial Team

The ProProfs editorial team is comprised of experienced subject matter experts. They've collectively created over 10,000 quizzes and lessons, serving over 100 million users. Our team includes in-house content moderators and subject matter experts, as well as a global network of rigorously trained contributors. All adhere to our comprehensive editorial guidelines, ensuring the delivery of high-quality content.

Learn about Our Editorial Process

| By Zunerz

Zunerz

Community Contributor

Quizzes Created: 2 | Total Attempts: 211

| Attempts: 107

Questions

Feedback

During the Quiz End of Quiz

Difficulty

Easy First Hard First Sequential

1/10 Questions

Solve for the given variable: x + 7 = 5

About This Quiz

Mastery Topics 1-1 Demo 2 assesses the ability to solve simple equations for a single variable. It covers basic algebraic skills, requiring learners to isolate variables in equations such as x + 7 = 5 and 19 = x - (-9), reinforcing foundational mathematical understanding.

Quiz Preview

2.

Solve for the given variable: 0 = x - (-4)

Explanation
The equation given is 0 = x - (-4). To solve for x, we need to isolate it on one side of the equation. Simplifying the equation, we can rewrite it as 0 = x + 4. To isolate x, we subtract 4 from both sides of the equation. This gives us x = -4. Therefore, the value of x that satisfies the equation is -4.

Rate this question:
3.

Solve for the given variable: 3 = x - (-3)

Explanation
The equation is asking us to solve for the variable x. To do this, we need to simplify the equation. The expression "-(-3)" can be simplified to just "3". So, the equation becomes 3 = x + 3. To isolate the variable x, we subtract 3 from both sides of the equation. This gives us 0 = x. Therefore, the solution to the equation is x = 0.

Rate this question:
4.

Solve for the given variable: 8 = x - (-6)

Explanation
To solve for the variable x, we need to isolate it on one side of the equation. To do this, we can simplify the equation by adding 6 to both sides, which gives us 14 = x. Then, dividing both sides by 2, we find that x = 7. Therefore, the correct answer is 7.

Rate this question:
5.

Solve for the given variable: 19 = x - (- 9)

Explanation
To solve for x, we need to isolate the variable. In the given equation, we have 19 = x - (-9) / 10. To remove the negative sign in front of -9, we can rewrite it as 19 = x + 9 / 10. To isolate x, we can subtract 9/10 from both sides of the equation. This gives us 19 - 9/10 = x. Simplifying the left side, we have 190/10 - 9/10 = x. Combining like terms, we get 181/10 = x. Therefore, x is equal to 181/10 or 18.1.

Rate this question:
6.

Solve for the given variable: 15 = x - (- 6)
7.

Solve for the given variable: x - (-10) = 10

Explanation
To solve for the variable x, we need to isolate it on one side of the equation. To do this, we can remove the negative sign in front of -10 by changing it to a positive 10. This gives us x + 10 = 10. Next, we can subtract 10 from both sides of the equation to cancel out the 10 on the right side, leaving us with x = 0. Therefore, the value of x that satisfies the equation is 0.

Rate this question:
8.

Solve for the given variable: x - 6 = 5
9.

Solve for the given variable: x + 20 = 6

Explanation
To solve for the variable x, we need to isolate it on one side of the equation. To do this, we can subtract 20 from both sides of the equation. This will cancel out the 20 on the left side, leaving us with x = 6 - 20. Simplifying further, we get x = -14. Therefore, the correct answer is -14.

Rate this question:
10.

Solve for the given variable: x + 10 = 4

Explanation
To solve for the variable x, we need to isolate it on one side of the equation. To do this, we can subtract 10 from both sides of the equation. This will give us x + 10 - 10 = 4 - 10, which simplifies to x = -6. Therefore, the correct answer is -6.

Rate this question: