Question

A system of equations is shown below.
3x + 2 y = 12
y=x+1
Which y value represents the solution to this system of equations?

Answer 1

3x+2(x+1)=12
3x+2x+2=12
5x+2=12
5x=12-2
5x=10
x=10/5
x=2
Put x=2 in eq 2
Y=2+1
Y=3