Solve for q
q=0
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2-q=-\left(-2\right)
Multiply both sides by -2.
2-q=2
Multiply -1 and -2 to get 2.
-q=2-2
Subtract 2 from both sides.
-q=0
Subtract 2 from 2 to get 0.
q=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -1 is not equal to 0, q must be equal to 0.
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