12x+7=9x-4+2

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Solution for 12x+7=9x-4+2 equation:


Simplifying
12x + 7 = 9x + -4 + 2

Reorder the terms:
7 + 12x = 9x + -4 + 2

Reorder the terms:
7 + 12x = -4 + 2 + 9x

Combine like terms: -4 + 2 = -2
7 + 12x = -2 + 9x

Solving
7 + 12x = -2 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
7 + 12x + -9x = -2 + 9x + -9x

Combine like terms: 12x + -9x = 3x
7 + 3x = -2 + 9x + -9x

Combine like terms: 9x + -9x = 0
7 + 3x = -2 + 0
7 + 3x = -2

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

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

Combine like terms: -2 + -7 = -9
3x = -9

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

Simplifying
x = -3

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