15=-2q+9

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Solution for 15=-2q+9 equation:


Simplifying
15 = -2q + 9

Reorder the terms:
15 = 9 + -2q

Solving
15 = 9 + -2q

Solving for variable 'q'.

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

Add '2q' to each side of the equation.
15 + 2q = 9 + -2q + 2q

Combine like terms: -2q + 2q = 0
15 + 2q = 9 + 0
15 + 2q = 9

Add '-15' to each side of the equation.
15 + -15 + 2q = 9 + -15

Combine like terms: 15 + -15 = 0
0 + 2q = 9 + -15
2q = 9 + -15

Combine like terms: 9 + -15 = -6
2q = -6

Divide each side by '2'.
q = -3

Simplifying
q = -3

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