9+3x+7=2x-12

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Solution for 9+3x+7=2x-12 equation: 


Simplifying
9 + 3x + 7 = 2x + -12

Reorder the terms:
9 + 7 + 3x = 2x + -12

Combine like terms: 9 + 7 = 16
16 + 3x = 2x + -12

Reorder the terms:
16 + 3x = -12 + 2x

Solving
16 + 3x = -12 + 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.
16 + 3x + -2x = -12 + 2x + -2x

Combine like terms: 3x + -2x = 1x
16 + 1x = -12 + 2x + -2x

Combine like terms: 2x + -2x = 0
16 + 1x = -12 + 0
16 + 1x = -12

Add '-16' to each side of the equation.
16 + -16 + 1x = -12 + -16

Combine like terms: 16 + -16 = 0
0 + 1x = -12 + -16
1x = -12 + -16

Combine like terms: -12 + -16 = -28
1x = -28

Divide each side by '1'.
x = -28

Simplifying
x = -28

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