Solve for x
x=-2
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1-2x-5x=15
Subtract 5x from both sides.
1-7x=15
Combine -2x and -5x to get -7x.
-7x=15-1
Subtract 1 from both sides.
-7x=14
Subtract 1 from 15 to get 14.
x=\frac{14}{-7}
Divide both sides by -7.
x=-2
Divide 14 by -7 to get -2.
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