40=-2q+80

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Solution for 40=-2q+80 equation:


Simplifying
40 = -2q + 80

Reorder the terms:
40 = 80 + -2q

Solving
40 = 80 + -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.
40 + 2q = 80 + -2q + 2q

Combine like terms: -2q + 2q = 0
40 + 2q = 80 + 0
40 + 2q = 80

Add '-40' to each side of the equation.
40 + -40 + 2q = 80 + -40

Combine like terms: 40 + -40 = 0
0 + 2q = 80 + -40
2q = 80 + -40

Combine like terms: 80 + -40 = 40
2q = 40

Divide each side by '2'.
q = 20

Simplifying
q = 20

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