8q-9=-7

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Solution for 8q-9=-7 equation: 


Simplifying
8q + -9 = -7

Reorder the terms:
-9 + 8q = -7

Solving
-9 + 8q = -7

Solving for variable 'q'.

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

Add '9' to each side of the equation.
-9 + 9 + 8q = -7 + 9

Combine like terms: -9 + 9 = 0
0 + 8q = -7 + 9
8q = -7 + 9

Combine like terms: -7 + 9 = 2
8q = 2

Divide each side by '8'.
q = 0.25

Simplifying
q = 0.25

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