3-x+9+2x=12

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


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

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

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

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

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

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

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

Solving
1x = 0

Solving for variable 'x'.

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

Divide each side by '1'.
x = 0

Simplifying
x = 0

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