5x-3y-11=0 если y=3

Question

5x-3y-11=0 если y=3

Answer 1

5x-3y-11=0  если y=3,
5х - 3 * 3 - 11 = 0,
5х -  9 - 11 = 0,
5х = 11 + 9,
5х = 20,
х = 20 : 5,
х = 4