Question

solve the linear system using substitution.
x=y+3
2x-y=5

Answer 1

x=y+3 <--equation 1
2x-y=5 <---equation 2
x value is given so plug it into equation 2
\[\huge~\rm~\bf~2(y+3)−y=5 \]

Answer 2

Solve for y.

Answer 3

Plug in the first equation into the second equation. Can you tell me what you get? :)

Answer 4

dang the lag :/

Answer 5

y=-1