q(0.5)=q-20

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Solution for q(0.5)=q-20 equation: 


Simplifying
q(0.5) = q + -20

Reorder the terms for easier multiplication:
0.5q = q + -20

Reorder the terms:
0.5q = -20 + q

Solving
0.5q = -20 + 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.
0.5q + -1q = -20 + q + -1q

Combine like terms: 0.5q + -1q = -0.5q
-0.5q = -20 + q + -1q

Combine like terms: q + -1q = 0
-0.5q = -20 + 0
-0.5q = -20

Divide each side by '-0.5'.
q = 40

Simplifying
q = 40

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