15-3qs=18

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Solution for 15-3qs=18 equation: 


Simplifying
15 + -3qs = 18

Solving
15 + -3qs = 18

Solving for variable 'q'.

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

Add '-15' to each side of the equation.
15 + -15 + -3qs = 18 + -15

Combine like terms: 15 + -15 = 0
0 + -3qs = 18 + -15
-3qs = 18 + -15

Combine like terms: 18 + -15 = 3
-3qs = 3

Divide each side by '-3s'.
q = -1s-1

Simplifying
q = -1s-1

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