If: 5f+3 = 28 then f = 5 because (5*5)+3 = 28
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-6 plus 2f plus 3f equals 29 -6 + 2f + 3f = 29 -6 + 5f = 29 5f = 35 f = 7
5f-2
-2(-3f+6)
f(x)= 3x+2 x=5f(5)=3(5)+2f(5)=17y=17(5,17)
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