12+x-3=15-18+9

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Solution for 12+x-3=15-18+9 equation:


Simplifying
12 + x + -3 = 15 + -18 + 9

Reorder the terms:
12 + -3 + x = 15 + -18 + 9

Combine like terms: 12 + -3 = 9
9 + x = 15 + -18 + 9

Combine like terms: 15 + -18 = -3
9 + x = -3 + 9

Combine like terms: -3 + 9 = 6
9 + x = 6

Solving
9 + x = 6

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + x = 6 + -9

Combine like terms: 9 + -9 = 0
0 + x = 6 + -9
x = 6 + -9

Combine like terms: 6 + -9 = -3
x = -3

Simplifying
x = -3

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