ANSWER:
10
STEP-BY-STEP EXPLANATION:
We have the following equation:
[tex]2.8y+6+0.2y=5y-14[/tex]We solve for y:
[tex]\begin{gathered} 3y+6=5y-14 \\ 5y-3y=14+6 \\ 2y=20 \\ y=\frac{20}{2}=10 \end{gathered}[/tex]The solution of the system is y equal to 10