x-3x-9=27

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


Simplifying
x + -3x + -9 = 27

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

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

Solving
-9 + -2x = 27

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 + -2x = 27 + 9

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

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

Divide each side by '-2'.
x = -18

Simplifying
x = -18

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