Question

5) 5x + 2y = -3; x + 5y = 4​

Answer 1

Answer:

5x+2y=-3____(1)

x+5y=4_____(2)×5

_______

5x+2y=-3

5x+25y=20

_______

-23y=-23

y=1

from equation (1)

x+5y=4

x=-1

Answer 2

Answer:

5x+2y=-3 .....*5=25x+10y=-15

X+5y=4 .........*2=2x+10y=8

Step-by-step explanation:

25x+10y=-15

2x+10y=8

(-). (-). (-)

= 23 X=-23

X=-1

X+5y=4

(-1)+5y=4

5y=5

y=1