8x-12-20x=15+x+12

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Solution for 8x-12-20x=15+x+12 equation:


Simplifying
8x + -12 + -20x = 15 + x + 12

Reorder the terms:
-12 + 8x + -20x = 15 + x + 12

Combine like terms: 8x + -20x = -12x
-12 + -12x = 15 + x + 12

Reorder the terms:
-12 + -12x = 15 + 12 + x

Combine like terms: 15 + 12 = 27
-12 + -12x = 27 + x

Solving
-12 + -12x = 27 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-12 + -12x + -1x = 27 + x + -1x

Combine like terms: -12x + -1x = -13x
-12 + -13x = 27 + x + -1x

Combine like terms: x + -1x = 0
-12 + -13x = 27 + 0
-12 + -13x = 27

Add '12' to each side of the equation.
-12 + 12 + -13x = 27 + 12

Combine like terms: -12 + 12 = 0
0 + -13x = 27 + 12
-13x = 27 + 12

Combine like terms: 27 + 12 = 39
-13x = 39

Divide each side by '-13'.
x = -3

Simplifying
x = -3

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