-x+3x-27=9

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Solution for -x+3x-27=9 equation:


Simplifying
-1x + 3x + -27 = 9

Reorder the terms:
-27 + -1x + 3x = 9

Combine like terms: -1x + 3x = 2x
-27 + 2x = 9

Solving
-27 + 2x = 9

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + 2x = 9 + 27

Combine like terms: -27 + 27 = 0
0 + 2x = 9 + 27
2x = 9 + 27

Combine like terms: 9 + 27 = 36
2x = 36

Divide each side by '2'.
x = 18

Simplifying
x = 18

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