8q+9=9q-1

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


Simplifying
8q + 9 = 9q + -1

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

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

Solving
9 + 8q = -1 + 9q

Solving for variable 'q'.

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

Add '-9q' to each side of the equation.
9 + 8q + -9q = -1 + 9q + -9q

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

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

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

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

Combine like terms: -1 + -9 = -10
-1q = -10

Divide each side by '-1'.
q = 10

Simplifying
q = 10

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