9x-12=3x+18

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Solution for 9x-12=3x+18 equation:


Simplifying
9x + -12 = 3x + 18

Reorder the terms:
-12 + 9x = 3x + 18

Reorder the terms:
-12 + 9x = 18 + 3x

Solving
-12 + 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.
-12 + 9x + -3x = 18 + 3x + -3x

Combine like terms: 9x + -3x = 6x
-12 + 6x = 18 + 3x + -3x

Combine like terms: 3x + -3x = 0
-12 + 6x = 18 + 0
-12 + 6x = 18

Add '12' to each side of the equation.
-12 + 12 + 6x = 18 + 12

Combine like terms: -12 + 12 = 0
0 + 6x = 18 + 12
6x = 18 + 12

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

Divide each side by '6'.
x = 5

Simplifying
x = 5

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