Question

find x and y
if x/a+y/b=2, ax-by=a^2-b^2
with step by step explanation.​

Answer 1

Answer: x=a

Step-by-step explanation:

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

=x/a + y/b = 2

=ay + x b=2ab

=ax - by=a^2 - b^2

=from 1 and 2

=multiply 1 by "a" 2 by "b"

=abx + a^2y=2a^2b

=abx - b^2y=ba - b^3

----------------------------------

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

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

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

=y=b [put in ------1]

We get

=ay + xb=2ab

=a(b) + xb=2ab

=xb=2ab - ab

=x= ab/b

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