Question

c) 5x – y =3
-2x + 4y=-12
Me ayudan? xd :3

Answer 1

Explicación paso a paso:

5x - y =3

-2x + 4y =12

5x = 3+y

-2(3+y) + 4y =12

-6+ 5y =12

5y = 12-6

y=6/5

y=1.2

5x-1.2=3

5x=3+1.2

x= 4.2/5

x=.84

5(.84)- 1.2=3

4.2-1.2=3