-x-31=-8x+39

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Solution for -x-31=-8x+39 equation:


Simplifying
-1x + -31 = -8x + 39

Reorder the terms:
-31 + -1x = -8x + 39

Reorder the terms:
-31 + -1x = 39 + -8x

Solving
-31 + -1x = 39 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-31 + -1x + 8x = 39 + -8x + 8x

Combine like terms: -1x + 8x = 7x
-31 + 7x = 39 + -8x + 8x

Combine like terms: -8x + 8x = 0
-31 + 7x = 39 + 0
-31 + 7x = 39

Add '31' to each side of the equation.
-31 + 31 + 7x = 39 + 31

Combine like terms: -31 + 31 = 0
0 + 7x = 39 + 31
7x = 39 + 31

Combine like terms: 39 + 31 = 70
7x = 70

Divide each side by '7'.
x = 10

Simplifying
x = 10

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