Answer :
The fist thing you have to do is find y by putting one of the equations into slope-intercept form. After that you need to plug in that answer into the equation again the solve for x and then do the same thing to find y
The answer to your question is
y = x + 3
y = 2x + 7
y = 6x - 1
Can I have brainliest though it would help a lot