[tex]2 \times + 3y = 5x - y[/tex]
[tex]2 \times + 3y = 5x - y
[/tex] Move the variables to the left
[tex]2 \times + 3y - 5 \times + y = 0[/tex]
Collect like terms
[tex] - 3 \times + 4y = 0[/tex]
Change the signs
[tex]3 \times - 4y = 0[/tex]