Question

x - 3 y = - 15
x+2y =0​

Answer 1

x-3y=-15

x+2y=0

x=-15+3y

x=-2y

3y-15=-2y

3y+2y=15

5y=15

y=15/5

y=3

x-3(3)=-15

x-9=-15

x=-15+9

x=-6