x+7x-12=-20

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Solution for x+7x-12=-20 equation:


Simplifying
x + 7x + -12 = -20

Reorder the terms:
-12 + x + 7x = -20

Combine like terms: x + 7x = 8x
-12 + 8x = -20

Solving
-12 + 8x = -20

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 8x = -20 + 12

Combine like terms: -12 + 12 = 0
0 + 8x = -20 + 12
8x = -20 + 12

Combine like terms: -20 + 12 = -8
8x = -8

Divide each side by '8'.
x = -1

Simplifying
x = -1

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