3x+6-2x+9=4x-18

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Solution for 3x+6-2x+9=4x-18 equation:


Simplifying
3x + 6 + -2x + 9 = 4x + -18

Reorder the terms:
6 + 9 + 3x + -2x = 4x + -18

Combine like terms: 6 + 9 = 15
15 + 3x + -2x = 4x + -18

Combine like terms: 3x + -2x = 1x
15 + 1x = 4x + -18

Reorder the terms:
15 + 1x = -18 + 4x

Solving
15 + 1x = -18 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
15 + 1x + -4x = -18 + 4x + -4x

Combine like terms: 1x + -4x = -3x
15 + -3x = -18 + 4x + -4x

Combine like terms: 4x + -4x = 0
15 + -3x = -18 + 0
15 + -3x = -18

Add '-15' to each side of the equation.
15 + -15 + -3x = -18 + -15

Combine like terms: 15 + -15 = 0
0 + -3x = -18 + -15
-3x = -18 + -15

Combine like terms: -18 + -15 = -33
-3x = -33

Divide each side by '-3'.
x = 11

Simplifying
x = 11

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