OpenStudy (anonymous):

f(x) = 2(x + 4), find x if f(x) = 20

4 years ago
OpenStudy (anonymous):

Isolate x by dividing 20 by 2 then subtracting 4 from the quotient to arrive at your answer.

4 years ago
OpenStudy (anonymous):

Helpppp

4 years ago
OpenStudy (anonymous):

f(x)=20 <=> 2(x+4)=20 <=> x+4=10 <=> x=6

4 years ago
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