Verified Answer :

leumitica

\(7(3x-4)=49\)
Distributhing 7 through prantheses 
\(7*3x-7*4=49\)
\(21x-7*4=49\)
\(21x-28=49\)
Add28
\(21x=49+28\)
\(21x=77\)
Divide by 21
\(x= \frac{77}{21}\)

\(x= \frac{11* ot7}{3* ot7}\)

\(x= \frac{11}{3}\)

\(x=3 \frac{2}{3}\)

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