15q-9=12q+18

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Solution for 15q-9=12q+18 equation:


Simplifying
15q + -9 = 12q + 18

Reorder the terms:
-9 + 15q = 12q + 18

Reorder the terms:
-9 + 15q = 18 + 12q

Solving
-9 + 15q = 18 + 12q

Solving for variable 'q'.

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

Add '-12q' to each side of the equation.
-9 + 15q + -12q = 18 + 12q + -12q

Combine like terms: 15q + -12q = 3q
-9 + 3q = 18 + 12q + -12q

Combine like terms: 12q + -12q = 0
-9 + 3q = 18 + 0
-9 + 3q = 18

Add '9' to each side of the equation.
-9 + 9 + 3q = 18 + 9

Combine like terms: -9 + 9 = 0
0 + 3q = 18 + 9
3q = 18 + 9

Combine like terms: 18 + 9 = 27
3q = 27

Divide each side by '3'.
q = 9

Simplifying
q = 9

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