9=7-q

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Solution for 9=7-q equation:


Simplifying
9 = 7 + -1q

Solving
9 = 7 + -1q

Solving for variable 'q'.

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

Add 'q' to each side of the equation.
9 + q = 7 + -1q + q

Combine like terms: -1q + q = 0
9 + q = 7 + 0
9 + q = 7

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

Combine like terms: 9 + -9 = 0
0 + q = 7 + -9
q = 7 + -9

Combine like terms: 7 + -9 = -2
q = -2

Simplifying
q = -2

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