Step 1
Given;
Step 2
Substitute the value given as x and check if the solution when simplified equals 7
[tex]\begin{gathered} 3x+5=7 \\ x=\frac{2}{3} \\ 3(\frac{2}{3})+5=7 \\ \mathrm{Apply\:rule}:\quad \left(a\right)=a \\ =2+5 \\ =7 \end{gathered}[/tex]
Answer;
[tex][/tex]
