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tootles97
 3 years ago
solve the system of equations by substitution...
f3g=9
5f+g=3
tootles97
 3 years ago
solve the system of equations by substitution... f3g=9 5f+g=3

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Sujay
 3 years ago
Best ResponseYou've already chosen the best response.0Well, \[g=5f3\], according to your information. So I substitute that into \[f3g=9\]. That means \[f3(5f3)=9\] or \[f+15f+9=9\]. That means \[15f=0\]. So \[f=0\]. Now I substitute 0 in for f: \[g=5(0)3\]. So \[g=3\] and \[f=0\] :).
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