SOLUTION: Solve the formula A = ½ h (b + c) for the variable b.

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Question 739225: Solve the formula A = ½ h (b + c) for the variable b.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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Solve the formula A = ½ h (b + c) for the variable b.
:
1%2F2(b + h) = A
multiply both sides by 2
b + h = 2A
Subtract h from both sides
b = 2A - h