-12x+-15=20-5x+7

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Solution for -12x+-15=20-5x+7 equation:


Simplifying
-12x + -15 = 20 + -5x + 7

Reorder the terms:
-15 + -12x = 20 + -5x + 7

Reorder the terms:
-15 + -12x = 20 + 7 + -5x

Combine like terms: 20 + 7 = 27
-15 + -12x = 27 + -5x

Solving
-15 + -12x = 27 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
-15 + -12x + 5x = 27 + -5x + 5x

Combine like terms: -12x + 5x = -7x
-15 + -7x = 27 + -5x + 5x

Combine like terms: -5x + 5x = 0
-15 + -7x = 27 + 0
-15 + -7x = 27

Add '15' to each side of the equation.
-15 + 15 + -7x = 27 + 15

Combine like terms: -15 + 15 = 0
0 + -7x = 27 + 15
-7x = 27 + 15

Combine like terms: 27 + 15 = 42
-7x = 42

Divide each side by '-7'.
x = -6

Simplifying
x = -6

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