You can put this solution on YOUR website! HI,
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2x+18=16-(x+7)
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2x+18=16-1*(x+7)
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distribute the -1 to remove parenthesis
2x+18=16-1*x -7
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Add x to both sides of the equation
3x + 18 = 16- 7
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subtract 18 from both sides of the equation (isolating the 3x)
3x = 16 - 7 - 18
3x = -9
x = -3
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check your answer
-6 + 18 = 16 + 3 -7 = 12
