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## Answers

So a and b do not equal to zero.

Then make the two sides of the first equation multiply a.

That is:Bx-a^2y/b+a^2+ba=0.

Use this equation to minus the first equation.

That is:(a^2/b-a)y+ab-a^2=0.

Now you can get the value of y.

It should equals b.

Put y=b into the first equation

and you can know the value of x which should be

x= -ab/B.