Question

x/a+y/b=2, ax-by=a^2-b^2. Solve this by substitution method.

Answer 1

Answer:

Please find the attachment

Answer 2

Answer:

ax=by+a^2-b^2

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

Step-by-step explanation:

now,

x/7+y/6=2

6x+7y=2(7*6)

6x+&y=84

b(by+a^2-b^2/a)+2ab

b^2y+ba^2-b^3+a^2y=2ab^2

(b^2++a^2)y=b^3+ba^2

(b^2+a^2)=b(b^2+a^2)

         ⇒  y=b

∴x=b^2+a^2-b^2)=a