(b+3)/7=(b-3)/6 What number = B?

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asked Jan 27, 2017 179k views

1 Answer

Artemave · Answer 1 · 2017-01-31T02:24:33+0000

(b+3)/7=(b-3)/6
6(b+3) = 7 (b-3)....> cross multiply
6b + 18 = 7b -21 ...>distributive property
6b - 7b = -21 -18 ...>subtract 7b to both sides then simplify
-b = -39 ...> multiply -1 to both sides
b = 39

(b+3)/7=(b-3)/6 What number = B?

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