9q-1=8q-9

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Solution for 9q-1=8q-9 equation:


Simplifying
9q + -1 = 8q + -9

Reorder the terms:
-1 + 9q = 8q + -9

Reorder the terms:
-1 + 9q = -9 + 8q

Solving
-1 + 9q = -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.
-1 + 9q + -8q = -9 + 8q + -8q

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

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

Add '1' to each side of the equation.
-1 + 1 + 1q = -9 + 1

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

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

Divide each side by '1'.
q = -8

Simplifying
q = -8

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