-2x-12+x+21=-5

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Solution for -2x-12+x+21=-5 equation:


Simplifying
-2x + -12 + x + 21 = -5

Reorder the terms:
-12 + 21 + -2x + x = -5

Combine like terms: -12 + 21 = 9
9 + -2x + x = -5

Combine like terms: -2x + x = -1x
9 + -1x = -5

Solving
9 + -1x = -5

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 + -1x = -5 + -9

Combine like terms: 9 + -9 = 0
0 + -1x = -5 + -9
-1x = -5 + -9

Combine like terms: -5 + -9 = -14
-1x = -14

Divide each side by '-1'.
x = 14

Simplifying
x = 14

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