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5 votes
V=1/2(a+b) make b the subject of the formula

1 Answer

5 votes

Answer:

b = 2v - a

Explanation:

Given

v =
(1)/(2) (a + b)

Multiply both sides by 2 to clear the fraction

2v = a + b ( isolate b by subtracting a from both sides )

2v - a = b

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