Solve for x
x=-14
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-x+8x-6x-3+3=7\left(-2\right)
Use the distributive property to multiply -3 by 2x+1.
-x+2x-3+3=7\left(-2\right)
Combine 8x and -6x to get 2x.
-x+2x=7\left(-2\right)
Add -3 and 3 to get 0.
-x+2x=-14
Multiply 7 and -2 to get -14.
x=-14
Combine -x and 2x to get x.
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