Isolating The Variable- One-step Equations (Part 1)

  • 4th Grade,
  • 5th Grade,
  • 6th Grade
  • CCSS.Math.Content.6.EE.B.7
  • CCSS.Math.Content.7.EE.B.4a
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| By Agrecni
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Agrecni
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Quizzes Created: 1 | Total Attempts: 301
| Attempts: 301 | Questions: 7 | Updated: Mar 22, 2025
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Question 1 / 7
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1) 2 + x = 21

Explanation

subtract 2 from both sides 21-2=19

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About This Quiz
Systems Of Equations Quizzes & Trivia

For each of the following equations isolate the variable by performing an operation to both sides of the equation.
When typing your answers type only the numerical answer. If the answer is negative, type the negative (-) symbol without spaces before the number. See examples below. X + 7... see more= 10keyed answer: 310 + x = 3keyed answer: -7 see less

2) X + 5 = 16

Explanation

subtract 5 from both sides

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3) 90 + x = 30

Explanation

subtract 90 from both sides 30-90=-60

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4) 17 + x = 10

Explanation

Subtract 17 from both sides. 10-17=-7

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5) 12 + x = 24

Explanation

Subtract 12 from both sides

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6) 44 + x = 100

Explanation

Subtract 44 from both sides

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7) X + 23 = 11

Explanation

Subtract 23 from both sides. 11-23= -12

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2 + x = 21
X + 5 = 16
90 + x = 30
17 + x = 10
12 + x = 24
44 + x = 100
X + 23 = 11
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