2x+3=-x+12

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


Simplifying
2x + 3 = -1x + 12

Reorder the terms:
3 + 2x = -1x + 12

Reorder the terms:
3 + 2x = 12 + -1x

Solving
3 + 2x = 12 + -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.
3 + 2x + x = 12 + -1x + x

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

Combine like terms: -1x + x = 0
3 + 3x = 12 + 0
3 + 3x = 12

Add '-3' to each side of the equation.
3 + -3 + 3x = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 3x = 12 + -3
3x = 12 + -3

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

Divide each side by '3'.
x = 3

Simplifying
x = 3

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