Question

22. Find x and y by substitution method.
x + y = 16
x - y = 4​

Answer 1

Answer:

hope it helps uu. keep do it

Answer 2

Answer:

x+ y=16.....(1)

x- y=4.......(2)

Take out the value of x from(1)

x=16-y

put in(2)

(16-y)- y=4

16-y-y=4

16-2y=4

2y=16-4

2y=12

y=12/2

=>y=6

=>x=10

hope it helps....