2x+18=6x-9

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


Simplifying
2x + 18 = 6x + -9

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

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

Solving
18 + 2x = -9 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
18 + 2x + -6x = -9 + 6x + -6x

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

Combine like terms: 6x + -6x = 0
18 + -4x = -9 + 0
18 + -4x = -9

Add '-18' to each side of the equation.
18 + -18 + -4x = -9 + -18

Combine like terms: 18 + -18 = 0
0 + -4x = -9 + -18
-4x = -9 + -18

Combine like terms: -9 + -18 = -27
-4x = -27

Divide each side by '-4'.
x = 6.75

Simplifying
x = 6.75

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