12+4x-9=5x-5-7x

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Solution for 12+4x-9=5x-5-7x equation:


Simplifying
12 + 4x + -9 = 5x + -5 + -7x

Reorder the terms:
12 + -9 + 4x = 5x + -5 + -7x

Combine like terms: 12 + -9 = 3
3 + 4x = 5x + -5 + -7x

Reorder the terms:
3 + 4x = -5 + 5x + -7x

Combine like terms: 5x + -7x = -2x
3 + 4x = -5 + -2x

Solving
3 + 4x = -5 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
3 + 4x + 2x = -5 + -2x + 2x

Combine like terms: 4x + 2x = 6x
3 + 6x = -5 + -2x + 2x

Combine like terms: -2x + 2x = 0
3 + 6x = -5 + 0
3 + 6x = -5

Add '-3' to each side of the equation.
3 + -3 + 6x = -5 + -3

Combine like terms: 3 + -3 = 0
0 + 6x = -5 + -3
6x = -5 + -3

Combine like terms: -5 + -3 = -8
6x = -8

Divide each side by '6'.
x = -1.333333333

Simplifying
x = -1.333333333

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