12x+72=3x-8-7x

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Solution for 12x+72=3x-8-7x equation:


Simplifying
12x + 72 = 3x + -8 + -7x

Reorder the terms:
72 + 12x = 3x + -8 + -7x

Reorder the terms:
72 + 12x = -8 + 3x + -7x

Combine like terms: 3x + -7x = -4x
72 + 12x = -8 + -4x

Solving
72 + 12x = -8 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
72 + 12x + 4x = -8 + -4x + 4x

Combine like terms: 12x + 4x = 16x
72 + 16x = -8 + -4x + 4x

Combine like terms: -4x + 4x = 0
72 + 16x = -8 + 0
72 + 16x = -8

Add '-72' to each side of the equation.
72 + -72 + 16x = -8 + -72

Combine like terms: 72 + -72 = 0
0 + 16x = -8 + -72
16x = -8 + -72

Combine like terms: -8 + -72 = -80
16x = -80

Divide each side by '16'.
x = -5

Simplifying
x = -5

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