12-x+3=-9

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


Simplifying
12 + -1x + 3 = -9

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

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

Solving
15 + -1x = -9

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 = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -1x = -9 + -15
-1x = -9 + -15

Combine like terms: -9 + -15 = -24
-1x = -24

Divide each side by '-1'.
x = 24

Simplifying
x = 24

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