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(ax)/b-(by)/a=a+b, ax-by=2ab...

`(ax)/b-(by)/a=a+b`, `ax-by=2ab`

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Solve the following system of equations by method of cross-multiplication: (ax)/(b)-(by)/(a)=a+b,quad ax-by=2ab

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

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Solve for x and y:x^(2)-y^(2)=xy-ab,(x+y)(ax+by)=2ab(a+b)

ax+by=a-b;bx-ay=a+b

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{:(x + y = a + b),(ax - by = a^(2) - b^(2)):}

ax+by=a+b bx+ay=b^2

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