12-5x-9=7-3x

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Solution for 12-5x-9=7-3x equation:


Simplifying
12 + -5x + -9 = 7 + -3x

Reorder the terms:
12 + -9 + -5x = 7 + -3x

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

Solving
3 + -5x = 7 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
3 + -5x + 3x = 7 + -3x + 3x

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

Combine like terms: -3x + 3x = 0
3 + -2x = 7 + 0
3 + -2x = 7

Add '-3' to each side of the equation.
3 + -3 + -2x = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = 7 + -3
-2x = 7 + -3

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

Divide each side by '-2'.
x = -2

Simplifying
x = -2

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