-7x+8-x=-40

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Solution for -7x+8-x=-40 equation:


Simplifying
-7x + 8 + -1x = -40

Reorder the terms:
8 + -7x + -1x = -40

Combine like terms: -7x + -1x = -8x
8 + -8x = -40

Solving
8 + -8x = -40

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -8x = -40 + -8

Combine like terms: 8 + -8 = 0
0 + -8x = -40 + -8
-8x = -40 + -8

Combine like terms: -40 + -8 = -48
-8x = -48

Divide each side by '-8'.
x = 6

Simplifying
x = 6

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