Get one x+y=3 to y=x+3 and plug it into x-y=1 and you get x-(x+3)=1. Destitute the x and solve. Once you get what x equals plug it to to either equation for the value of x and solve for y
Answer:
3
Step-by-step explanation:
4 -1 = 3
For a line to be parallel it has to have the same slope as the original line. so the slope is 1/2
