Question

If x+y=8, 2x + 2Y = 40 find x,y
Given x+y=8

Answer 1

Answer:

x=-6,y=14

Step-by-step explanation:

x+y=8

x=8-y eq1

2x+2y=40

2(x+y)=40

x+y=20

x=20-y eq2

x=-x

8-y=-(20-y)

8-y=-20+y

2y=28

y=14

putting value of y in eq1

x+14=8

x=8-14

x=-6