Question

the solutions for the equations x+y=10 and x-y=2 are

Answer 1

x+y=10---eq1
x-y=2--eq2
On adding
2x=12
x=6
Putting the value of x in eq 1
6+y=10
y=4

Answer 2

the eq. has a unique sol.

x=6

y=4

(add both the eq to get the ans.)