find x and y

Question

1. y=5x−4
2. y=-2x+3
3. y=3x+1
4. 2y=6x+2
5. y-5x=2
6. y-4x+1=0
7. y=5x

Answer 1

1. y=5x−4
2. y=-2x+3
3. y=3x+1
4. 2y=6x+2 -> y=3x+1
5. y-5x=2 -> y=5x+2
6. y-4x+1=0 -> y=4x-1
7. y=5x

So, x has different values in each equation.