12x+9=-6x+18

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Solution for 12x+9=-6x+18 equation:


Simplifying
12x + 9 = -6x + 18

Reorder the terms:
9 + 12x = -6x + 18

Reorder the terms:
9 + 12x = 18 + -6x

Solving
9 + 12x = 18 + -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.
9 + 12x + 6x = 18 + -6x + 6x

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

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

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

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

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

Divide each side by '18'.
x = 0.5

Simplifying
x = 0.5

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