Solving for Unknown Variable

What value of a makes this equation true, a - 5 = -9

• -14

• 9

• 5

• -4

What is the solution of 13 = t + 7

• 5

• 6

• 7

• 20

How would you solve the equation?
38 = m - 15

• Subtract 15 from both sides

• Add 15 to both sides

• Multiply both sides by 15

• Divide both sides by 15

When solving an equation for an unknown variable we use...

• guessing.

• inverse operations.

• always multiply.

• plug in two.

Solve for the indicated variable.

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Solve for the indicated variable.

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• B

• C

• D

Solve for the indicated variable.

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• B

• C

• D

Solve for the indicated variable.

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• B

• C

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Solve for the indicated variable.

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• B

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Solve for the indicated variable.

• A

• B

• C

• D