-21=6q-9

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Solution for -21=6q-9 equation:


Simplifying
-21 = 6q + -9

Reorder the terms:
-21 = -9 + 6q

Solving
-21 = -9 + 6q

Solving for variable 'q'.

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

Add '-6q' to each side of the equation.
-21 + -6q = -9 + 6q + -6q

Combine like terms: 6q + -6q = 0
-21 + -6q = -9 + 0
-21 + -6q = -9

Add '21' to each side of the equation.
-21 + 21 + -6q = -9 + 21

Combine like terms: -21 + 21 = 0
0 + -6q = -9 + 21
-6q = -9 + 21

Combine like terms: -9 + 21 = 12
-6q = 12

Divide each side by '-6'.
q = -2

Simplifying
q = -2

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