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How to get the B by itself

How to get the B by itself-example-1
User ThiepLV
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1 Answer

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(a + b + c)/3 = A

(a + b + c)/3 x 3 = A x 3

a + b + c = A(3)

a- a + b + c - c = A(3) - a - c

b = A(3) - a - c

hope this helps


( i dont know if the A is suppose to be there or not sorry)
User Sandra Rossi
by
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