9x-27=3x+18

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Solution for 9x-27=3x+18 equation:


Simplifying
9x + -27 = 3x + 18

Reorder the terms:
-27 + 9x = 3x + 18

Reorder the terms:
-27 + 9x = 18 + 3x

Solving
-27 + 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.
-27 + 9x + -3x = 18 + 3x + -3x

Combine like terms: 9x + -3x = 6x
-27 + 6x = 18 + 3x + -3x

Combine like terms: 3x + -3x = 0
-27 + 6x = 18 + 0
-27 + 6x = 18

Add '27' to each side of the equation.
-27 + 27 + 6x = 18 + 27

Combine like terms: -27 + 27 = 0
0 + 6x = 18 + 27
6x = 18 + 27

Combine like terms: 18 + 27 = 45
6x = 45

Divide each side by '6'.
x = 7.5

Simplifying
x = 7.5

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