s746705 s746705

20-11-2014
Mathematics

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If F(X)= 6X-4 and F(A)= 26 what is the value of a? Explain

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macio06 macio06

20-11-2014

Knowing that f(x)=6x-4 and f(x)=26 we can substitute fx as 26 and solve equation
26=6x-4 /+4 add 4 both sides
26+4=6x
30=6x /:6 divide both sides by 6
30:6=x
6=x - its our result

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