3x-3+4x+8=12x+12

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Solution for 3x-3+4x+8=12x+12 equation:


Simplifying
3x + -3 + 4x + 8 = 12x + 12

Reorder the terms:
-3 + 8 + 3x + 4x = 12x + 12

Combine like terms: -3 + 8 = 5
5 + 3x + 4x = 12x + 12

Combine like terms: 3x + 4x = 7x
5 + 7x = 12x + 12

Reorder the terms:
5 + 7x = 12 + 12x

Solving
5 + 7x = 12 + 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.
5 + 7x + -12x = 12 + 12x + -12x

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

Combine like terms: 12x + -12x = 0
5 + -5x = 12 + 0
5 + -5x = 12

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

Combine like terms: 5 + -5 = 0
0 + -5x = 12 + -5
-5x = 12 + -5

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

Divide each side by '-5'.
x = -1.4

Simplifying
x = -1.4

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