-3x+18=9x-30

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Solution for -3x+18=9x-30 equation:


Simplifying
-3x + 18 = 9x + -30

Reorder the terms:
18 + -3x = 9x + -30

Reorder the terms:
18 + -3x = -30 + 9x

Solving
18 + -3x = -30 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
18 + -3x + -9x = -30 + 9x + -9x

Combine like terms: -3x + -9x = -12x
18 + -12x = -30 + 9x + -9x

Combine like terms: 9x + -9x = 0
18 + -12x = -30 + 0
18 + -12x = -30

Add '-18' to each side of the equation.
18 + -18 + -12x = -30 + -18

Combine like terms: 18 + -18 = 0
0 + -12x = -30 + -18
-12x = -30 + -18

Combine like terms: -30 + -18 = -48
-12x = -48

Divide each side by '-12'.
x = 4

Simplifying
x = 4

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