-8+7x-4x=-20

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Solution for -8+7x-4x=-20 equation: 


Simplifying
-8 + 7x + -4x = -20

Combine like terms: 7x + -4x = 3x
-8 + 3x = -20

Solving
-8 + 3x = -20

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 + 3x = -20 + 8

Combine like terms: -8 + 8 = 0
0 + 3x = -20 + 8
3x = -20 + 8

Combine like terms: -20 + 8 = -12
3x = -12

Divide each side by '3'.
x = -4

Simplifying
x = -4

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