9=9-2q

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Solution for 9=9-2q equation:


Simplifying
9 = 9 + -2q

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

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

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

Solving
0 = -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.
0 + 2q = -2q + 2q
Remove the zero:
2q = -2q + 2q

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

Divide each side by '2'.
q = 0

Simplifying
q = 0

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