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How to solve for a specified variable in a formula

Algebra
Tutor: None Selected Time limit: 1 Day

P=21 2w

Sep 10th, 2014

Same way as if P was just a number.

P=21+2w

P-21=21+2w-21

P-21=2w

(P-21)/2 =2w/2

w=(P-21)/2

Sep 10th, 2014

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