20=90-5q

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Solution for 20=90-5q equation:


Simplifying
20 = 90 + -5q

Solving
20 = 90 + -5q

Solving for variable 'q'.

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

Add '5q' to each side of the equation.
20 + 5q = 90 + -5q + 5q

Combine like terms: -5q + 5q = 0
20 + 5q = 90 + 0
20 + 5q = 90

Add '-20' to each side of the equation.
20 + -20 + 5q = 90 + -20

Combine like terms: 20 + -20 = 0
0 + 5q = 90 + -20
5q = 90 + -20

Combine like terms: 90 + -20 = 70
5q = 70

Divide each side by '5'.
q = 14

Simplifying
q = 14

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