Question

Write the solution of equations x + y = 8 and x - y = 4 *​

Answer 1

Answer:

32

Step-by-step explanation:

(x+y)(x-y)= 8*4

=32

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Answer 2

Answer:

(x,y)=(6,2)

Step-by-step explanation:

let x+y=8_ (1)

and

x-y=4_ (2)

add equation (1)&(2)

x+y=8

x-y=4

____

2x=12

x=12/2

x=6

sub x=6 in equation (1)

x+y=8

6+y=8

y=8-6

y=2