Question

Solve the following system of equations by the
method of elimination by substitution :
(a + b)x + (a - b)y = a^2 + b^2
(a - b)x + (a + b)y = a^2 + b^2​

Answer 1

Answer:

x=a^2+b^2/2a

y=a^2+b^2/2a