Question

it is known that X + Y is equal to 10 and x is equal to z . show that is z + Y is equal to 10

Answer 1

x=z
x+y=10
as x=z  z+y=10

Answer 2

X + Y = 10 ...............1

( here x = z ). given

then we can write eq. 1 as

Z+ Y = 10.





Thanks.