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

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


Simplifying
-12 + -1x + -3 = 15 + -18 + 9

Reorder the terms:
-12 + -3 + -1x = 15 + -18 + 9

Combine like terms: -12 + -3 = -15
-15 + -1x = 15 + -18 + 9

Combine like terms: 15 + -18 = -3
-15 + -1x = -3 + 9

Combine like terms: -3 + 9 = 6
-15 + -1x = 6

Solving
-15 + -1x = 6

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -1x = 6 + 15

Combine like terms: -15 + 15 = 0
0 + -1x = 6 + 15
-1x = 6 + 15

Combine like terms: 6 + 15 = 21
-1x = 21

Divide each side by '-1'.
x = -21

Simplifying
x = -21

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