12x-3+x+1=9x-15-x+8

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Solution for 12x-3+x+1=9x-15-x+8 equation:


Simplifying
12x + -3 + x + 1 = 9x + -15 + -1x + 8

Reorder the terms:
-3 + 1 + 12x + x = 9x + -15 + -1x + 8

Combine like terms: -3 + 1 = -2
-2 + 12x + x = 9x + -15 + -1x + 8

Combine like terms: 12x + x = 13x
-2 + 13x = 9x + -15 + -1x + 8

Reorder the terms:
-2 + 13x = -15 + 8 + 9x + -1x

Combine like terms: -15 + 8 = -7
-2 + 13x = -7 + 9x + -1x

Combine like terms: 9x + -1x = 8x
-2 + 13x = -7 + 8x

Solving
-2 + 13x = -7 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-2 + 13x + -8x = -7 + 8x + -8x

Combine like terms: 13x + -8x = 5x
-2 + 5x = -7 + 8x + -8x

Combine like terms: 8x + -8x = 0
-2 + 5x = -7 + 0
-2 + 5x = -7

Add '2' to each side of the equation.
-2 + 2 + 5x = -7 + 2

Combine like terms: -2 + 2 = 0
0 + 5x = -7 + 2
5x = -7 + 2

Combine like terms: -7 + 2 = -5
5x = -5

Divide each side by '5'.
x = -1

Simplifying
x = -1

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