-x-27=15-3x

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Solution for -x-27=15-3x equation:


Simplifying
-1x + -27 = 15 + -3x

Reorder the terms:
-27 + -1x = 15 + -3x

Solving
-27 + -1x = 15 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-27 + -1x + 3x = 15 + -3x + 3x

Combine like terms: -1x + 3x = 2x
-27 + 2x = 15 + -3x + 3x

Combine like terms: -3x + 3x = 0
-27 + 2x = 15 + 0
-27 + 2x = 15

Add '27' to each side of the equation.
-27 + 27 + 2x = 15 + 27

Combine like terms: -27 + 27 = 0
0 + 2x = 15 + 27
2x = 15 + 27

Combine like terms: 15 + 27 = 42
2x = 42

Divide each side by '2'.
x = 21

Simplifying
x = 21

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