Qd=90-5

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Solution for Qd=90-5 equation: 


Simplifying
Qd = 90 + -5

Combine like terms: 90 + -5 = 85
dQ = 85

Solving
dQ = 85

Solving for variable 'd'.

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

Divide each side by 'Q'.
d = 85Q-1

Simplifying
d = 85Q-1

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