SOLUTION: X+7-2x=18

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Question 788665: X+7-2x=18
Answer by waynest(281) About Me  (Show Source):
You can put this solution on YOUR website!
x - 2x + 7 = 18
-x + 7 = 18
-x + 7 - 7 = 18 -7
-x = 11
x = -11
check:
-11 + -2(-11) + 7 = 18
-11 + 22 + 7 = 18
-11 + 29 = 18
18 = 18