SY24-25 Two Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

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How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in reverse order: first undo addition or subtraction, then undo multiplication or division.

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Back

y = 2

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Back

r = 10

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Back

x = 30

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Back

x = 9

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Back

Subtract 5 from both sides to isolate the term with c.

Front

What does it mean to 'solve for x'?

Back

To 'solve for x' means to find the value of x that makes the equation true.

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Back

c = 6

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.