9+2x=3-(x+12)

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


Simplifying
9 + 2x = 3 + -1(x + 12)

Reorder the terms:
9 + 2x = 3 + -1(12 + x)
9 + 2x = 3 + (12 * -1 + x * -1)
9 + 2x = 3 + (-12 + -1x)

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

Solving
9 + 2x = -9 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
9 + 2x + x = -9 + -1x + x

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

Combine like terms: -1x + x = 0
9 + 3x = -9 + 0
9 + 3x = -9

Add '-9' to each side of the equation.
9 + -9 + 3x = -9 + -9

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

Combine like terms: -9 + -9 = -18
3x = -18

Divide each side by '3'.
x = -6

Simplifying
x = -6

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