Question 119436
y=x+3
y=2x+4

SO,

x+3=2x+4
2x+4=x+3
2x-x+4=x-x+3
x+4=0+3
x+4=3
x+4-4=3-4
x=-1

Solving for y,

y=x+3
y=-1+3
y=2


Power up,
HyperBrain!