7q=8q-9

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Solution for 7q=8q-9 equation: 


Simplifying
7q = 8q + -9

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

Solving
7q = -9 + 8q

Solving for variable 'q'.

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

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

Combine like terms: 7q + -8q = -1q
-1q = -9 + 8q + -8q

Combine like terms: 8q + -8q = 0
-1q = -9 + 0
-1q = -9

Divide each side by '-1'.
q = 9

Simplifying
q = 9

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