suithapar95 suithapar95

17-04-2015
Mathematics

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which equation is equivalent to 7a = 3(b-5) solve for b?

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konrad509 konrad509

17-04-2015

[tex]7a=3(b-5)\\ 7a=3b-15\\ 3b=7a+15\\ b=\dfrac{7}{3}a+5[/tex]

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17-04-2015

7a = 3(b - 5)

Distribute 3:

7a = 3b - 15

Add 15 to both sides:

7a + 15 = 3b

Divide 3 to both sides:

b = (7a + 15)/3

Answer Link

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