3x+6x-30=3x-18

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Solution for 3x+6x-30=3x-18 equation:


Simplifying
3x + 6x + -30 = 3x + -18

Reorder the terms:
-30 + 3x + 6x = 3x + -18

Combine like terms: 3x + 6x = 9x
-30 + 9x = 3x + -18

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

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

Combine like terms: 9x + -3x = 6x
-30 + 6x = -18 + 3x + -3x

Combine like terms: 3x + -3x = 0
-30 + 6x = -18 + 0
-30 + 6x = -18

Add '30' to each side of the equation.
-30 + 30 + 6x = -18 + 30

Combine like terms: -30 + 30 = 0
0 + 6x = -18 + 30
6x = -18 + 30

Combine like terms: -18 + 30 = 12
6x = 12

Divide each side by '6'.
x = 2

Simplifying
x = 2

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