if f(x)=13x-7 find x if f(x)=20

if f(x)=13x-7 find x if f(x)=20
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1 Answer

f(x)=13x-7=20,

13x=27, x=27/13.

If f(x) had been 13x+7, then 13x+7=20, 13x=13, x=1.

Are you sure f(x)=13x-7?
by Top Rated User (1.2m points)

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