5x+4-8x-12=20

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Solution for 5x+4-8x-12=20 equation: 


Simplifying
5x + 4 + -8x + -12 = 20

Reorder the terms:
4 + -12 + 5x + -8x = 20

Combine like terms: 4 + -12 = -8
-8 + 5x + -8x = 20

Combine like terms: 5x + -8x = -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 = 28
-3x = 28

Divide each side by '-3'.
x = -9.333333333

Simplifying
x = -9.333333333

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