12x-3-3x+12=-40+12x+25

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Solution for 12x-3-3x+12=-40+12x+25 equation:


Simplifying
12x + -3 + -3x + 12 = -40 + 12x + 25

Reorder the terms:
-3 + 12 + 12x + -3x = -40 + 12x + 25

Combine like terms: -3 + 12 = 9
9 + 12x + -3x = -40 + 12x + 25

Combine like terms: 12x + -3x = 9x
9 + 9x = -40 + 12x + 25

Reorder the terms:
9 + 9x = -40 + 25 + 12x

Combine like terms: -40 + 25 = -15
9 + 9x = -15 + 12x

Solving
9 + 9x = -15 + 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.
9 + 9x + -12x = -15 + 12x + -12x

Combine like terms: 9x + -12x = -3x
9 + -3x = -15 + 12x + -12x

Combine like terms: 12x + -12x = 0
9 + -3x = -15 + 0
9 + -3x = -15

Add '-9' to each side of the equation.
9 + -9 + -3x = -15 + -9

Combine like terms: 9 + -9 = 0
0 + -3x = -15 + -9
-3x = -15 + -9

Combine like terms: -15 + -9 = -24
-3x = -24

Divide each side by '-3'.
x = 8

Simplifying
x = 8

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