-20+-3x=-12x+7

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Solution for -20+-3x=-12x+7 equation:


Simplifying
-20 + -3x = -12x + 7

Reorder the terms:
-20 + -3x = 7 + -12x

Solving
-20 + -3x = 7 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
-20 + -3x + 12x = 7 + -12x + 12x

Combine like terms: -3x + 12x = 9x
-20 + 9x = 7 + -12x + 12x

Combine like terms: -12x + 12x = 0
-20 + 9x = 7 + 0
-20 + 9x = 7

Add '20' to each side of the equation.
-20 + 20 + 9x = 7 + 20

Combine like terms: -20 + 20 = 0
0 + 9x = 7 + 20
9x = 7 + 20

Combine like terms: 7 + 20 = 27
9x = 27

Divide each side by '9'.
x = 3

Simplifying
x = 3

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