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Mathematics 15 Online
OpenStudy (anonymous):

@mathslover @jim_thompson5910

OpenStudy (anonymous):

mathslover (mathslover):

First expand the RHS.

mathslover (mathslover):

By using distributive property : a(b+c) = ab + ac That is : 15(a-1) becomes 15(a) - 15(1) = 15a - 15.

mathslover (mathslover):

SO you have now : 9a + 13.2 = 15a + 15 Can you solve for "a" now?

OpenStudy (anonymous):

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