Question

x+y= a+ b,ax- by= a^2- b^ 2​

Answer 1

Answer:

ax-by=(a-b) (x+y)

ax-by=ax+ay-bx-by

bx-ay=0

bx=ay. Y=bx/a

bx/a+x=a+b

x(a+b) /a=a+b

x=a

y=b