Solving 3X- 7 = 3 (x = 1) / my answer is no solution am I right or wrong and why

solve the following for X -5(X-1) = 4(2X - 3) = -2(X = 2) -8

what is the y intercept of 2x + 7y = 14

I had 33 problems to do tonight and I am having problems with five of them these are the last three that i can't seem to get can you help me, by showing me how you come up with your solution and not just the answer