Question

A=1/2w(b+c) solve for c

Answer 1

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Answer:

c = 2A/w -b

Explanation:

Multiply by the inverse of the coefficient of the parentheses.

`A=(w)/(2)(b+c)\\\\(2A)/(w)=b+c\\\\\boxed{c=(2A)/(w)-b} \qquad\text{subtract $b$}`