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9(11 - x) = 3(3x -9) what is x
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9(11 - x) = 3(3x -9) what is x

User Aaron Oommen
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1 Answer

3 votes

x = 7

Step-by-step explanation:

9(11 - x) = 3(3x -9)

Expanding the expression:

9(11) - (9x) = 3(3x) -3(9)

99 - 9x = 9x - 27

collect like terms:

99 + 27 = 9x + 9x

126 = 18x

Divide both sides by 18:

126/18 = 18x/18

x = 7

User Roman Meyer
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4.2k points
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