12+x-12+3+7+9+x-5=0

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Solution for 12+x-12+3+7+9+x-5=0 equation: 


Simplifying
12 + x + -12 + 3 + 7 + 9 + x + -5 = 0

Reorder the terms:
12 + -12 + 3 + 7 + 9 + -5 + x + x = 0

Combine like terms: 12 + -12 = 0
0 + 3 + 7 + 9 + -5 + x + x = 0
3 + 7 + 9 + -5 + x + x = 0

Combine like terms: 3 + 7 = 10
10 + 9 + -5 + x + x = 0

Combine like terms: 10 + 9 = 19
19 + -5 + x + x = 0

Combine like terms: 19 + -5 = 14
14 + x + x = 0

Combine like terms: x + x = 2x
14 + 2x = 0

Solving
14 + 2x = 0

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + 2x = 0 + -14

Combine like terms: 14 + -14 = 0
0 + 2x = 0 + -14
2x = 0 + -14

Combine like terms: 0 + -14 = -14
2x = -14

Divide each side by '2'.
x = -7

Simplifying
x = -7

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