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

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


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

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

Combine like terms: 12 + -5 = 7
7 + 4x + -5x = 20

Combine like terms: 4x + -5x = -1x
7 + -1x = 20

Solving
7 + -1x = 20

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -1x = 20 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 20 + -7
-1x = 20 + -7

Combine like terms: 20 + -7 = 13
-1x = 13

Divide each side by '-1'.
x = -13

Simplifying
x = -13

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