130k views
3 votes
I just want to know if my answer is correct

I just want to know if my answer is correct-example-1
User Albus
by
3.0k points

1 Answer

1 vote

\begin{gathered} \text{Let:} \\ y=x+8\text{ (1)} \\ x+y=2\text{ (2)} \\ \text{ Replace (1) into (2)} \\ x+x+8=2 \\ 2x=-6 \\ x=-(6)/(2) \\ x=-3 \\ \text{ Replace x into (1)} \\ y=-3+8=5 \end{gathered}

User Hiroki
by
3.6k points