Question

x + 5y = -21
-2x + 3y = 3​

Answer 1

x=-21-5y

-2(-21-5y)+3y=3

+42+10y+3y=3

42+13y=3

13y=-39

y=-39/13

y=-3

x+5y=-21

x+5(-3)=-21

x-15=-21

x=-21+15

x=-6