-31=x-7x-7

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Solution for -31=x-7x-7 equation:


Simplifying
-31 = x + -7x + -7

Reorder the terms:
-31 = -7 + x + -7x

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

Solving
-31 = -7 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-31 + 6x = -7 + -6x + 6x

Combine like terms: -6x + 6x = 0
-31 + 6x = -7 + 0
-31 + 6x = -7

Add '31' to each side of the equation.
-31 + 31 + 6x = -7 + 31

Combine like terms: -31 + 31 = 0
0 + 6x = -7 + 31
6x = -7 + 31

Combine like terms: -7 + 31 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4

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