Question

Q 7)
If x=a, y=b is the
solution of the pair
of equation x-y=5
and x+y=5 then
what will be value
of a and b
A) 50
B431
C) 46
D) 12
Choose_Answer​

Answer 1

Answer:

x-y=5

i.e,a-b=5

a =5+b

now ,x+y=5

i.e,a+b=5

i.e,5+b+b=5

2b=0

b=0

a+b=5

a+0=5

a=5

so ur answer is (A)

Answer 2

a is the answer of this question