Question

The solution of the equation 2(x + y) = 20
and 2(x - y) = 4 are x =
and y =​

Answer 1

Answer:

we know

2(x+y)=20

2(x-y)=4

Simplify them

x+y=10 ...1

x-y=2 ...2

Subract Eq.2 from Eq.1

=>x+y-x+y=20-4

=>2y=16

=>y=8

Sub y=8 in Eq.1

x+8=10

=>x=10-8

=>x=2

Therefore the value of X is 2

and Y is 8

Answer 2

Answer:

6=x,y=2/3

Step-by-step explanation:

2(x+y)=20

2(x-y)=4

2x+2y=20

2x-2y=4

__________

2x =-6

____________

putting this eq in 2x+2y=4

12+2y=4

2y=4/12=3

y=3/2

hopefully its ur answer