SOLUTION: Please help me solve this problem (f+3)/(12)= (7)/(2) I multiplied 7 and 12 and got 84 but i dont know what to do next!

Algebra ->  Inequalities -> SOLUTION: Please help me solve this problem (f+3)/(12)= (7)/(2) I multiplied 7 and 12 and got 84 but i dont know what to do next!       Log On


   

Question 627408: Please help me solve this problem
(f+3)/(12)= (7)/(2)
I multiplied 7 and 12 and got 84 but i dont know what to do next!

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%28f%2B3%29%2F%2812%29=+%287%29%2F%282%29

2%28f%2B3%29+=+12%2A7

2%28f%2B3%29+=+84

f%2B3+=+84%2F2

f%2B3+=+42

f+=+42-3

f+=+39

So the solution is f+=+39

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