Solve x and y , x/a + y/b = 2 and ax - by = a² - b²

#Algebra
x/a + y/b = 2 and ax - by = a^2 - b^2

x/a + y/b = 2 and ax-by=a^2-b^2

solve x/a+y/b=2 and ax-by=a^2-b^2 by substitution and elimination method