Solving Equations

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Back

Add 5 to both sides.

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Back

x = 8.

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Back

Distribute -4 to a and -5.

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Back

x = -1.

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Back

y = 22.

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What does it mean to isolate a variable in an equation?

Back

To manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the purpose of combining like terms in an equation?

Back

To simplify the equation and make it easier to solve.

Front

What is the distributive property?

Back

a(b + c) = ab + ac, used to multiply a single term by two or more terms inside a parenthesis.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

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Back

x = 6.