3x+9x-18=-6

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Solution for 3x+9x-18=-6 equation:


Simplifying
3x + 9x + -18 = -6

Reorder the terms:
-18 + 3x + 9x = -6

Combine like terms: 3x + 9x = 12x
-18 + 12x = -6

Solving
-18 + 12x = -6

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 12x = -6 + 18

Combine like terms: -18 + 18 = 0
0 + 12x = -6 + 18
12x = -6 + 18

Combine like terms: -6 + 18 = 12
12x = 12

Divide each side by '12'.
x = 1

Simplifying
x = 1

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