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5(5 + x) = 11(9 +x)
Answer as a fraction.

1 Answer

7 votes

5(5 + x) = 11(9 + x)

25 + 5x = 99 + 11x

Subtract 5x from both sides and 99 from both sides to get variables on one side and constants on the other.

25 - 99 = 11x - 5x

-74 = 6x

Divide by 6 on both sides to isolate the variable.

-74/6 = x or -12 and 1/3 = x

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