Equation 1) y=2x+5
Equation 2) y=3x-1
Rearrange both equations so that the variables are both on the same side of the equal sign.
1) y=2x+5
1) -2x+y=5
2) y=3x-1
2) -3x+y=-1
1) -2x+y=5
2) -3x+y=-1
Subtract equations.
x=6
Plug in 6 for x in equation number 1.
y=2x+5
y=2(6) +5
y=12 + 5
y=17
~Hope I helped!~