-31=8+6x+7x

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Solution for -31=8+6x+7x equation:


Simplifying
-31 = 8 + 6x + 7x

Combine like terms: 6x + 7x = 13x
-31 = 8 + 13x

Solving
-31 = 8 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
-31 + -13x = 8 + 13x + -13x

Combine like terms: 13x + -13x = 0
-31 + -13x = 8 + 0
-31 + -13x = 8

Add '31' to each side of the equation.
-31 + 31 + -13x = 8 + 31

Combine like terms: -31 + 31 = 0
0 + -13x = 8 + 31
-13x = 8 + 31

Combine like terms: 8 + 31 = 39
-13x = 39

Divide each side by '-13'.
x = -3

Simplifying
x = -3

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