-x-4=8+7x

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Solution for -x-4=8+7x equation:


Simplifying
-1x + -4 = 8 + 7x

Reorder the terms:
-4 + -1x = 8 + 7x

Solving
-4 + -1x = 8 + 7x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7x' to each side of the equation.
-4 + -1x + -7x = 8 + 7x + -7x

Combine like terms: -1x + -7x = -8x
-4 + -8x = 8 + 7x + -7x

Combine like terms: 7x + -7x = 0
-4 + -8x = 8 + 0
-4 + -8x = 8

Add '4' to each side of the equation.
-4 + 4 + -8x = 8 + 4

Combine like terms: -4 + 4 = 0
0 + -8x = 8 + 4
-8x = 8 + 4

Combine like terms: 8 + 4 = 12
-8x = 12

Divide each side by '-8'.
x = -1.5

Simplifying
x = -1.5

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