-7-(-9)=q

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Solution for -7-(-9)=q equation:


Simplifying
-7 + -1(-9) = q

Multiply -1 * -9
-7 + 9 = q

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

Solving
2 = q

Solving for variable 'q'.

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

Add '-1q' to each side of the equation.
2 + -1q = q + -1q

Combine like terms: q + -1q = 0
2 + -1q = 0

Add '-2' to each side of the equation.
2 + -2 + -1q = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1q = 0 + -2
-1q = 0 + -2

Combine like terms: 0 + -2 = -2
-1q = -2

Divide each side by '-1'.
q = 2

Simplifying
q = 2

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