-9q+21=66

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Solution for -9q+21=66 equation: 


Simplifying
-9q + 21 = 66

Reorder the terms:
21 + -9q = 66

Solving
21 + -9q = 66

Solving for variable 'q'.

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

Add '-21' to each side of the equation.
21 + -21 + -9q = 66 + -21

Combine like terms: 21 + -21 = 0
0 + -9q = 66 + -21
-9q = 66 + -21

Combine like terms: 66 + -21 = 45
-9q = 45

Divide each side by '-9'.
q = -5

Simplifying
q = -5

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