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For what ordered pair (a,b) are there infinite solutions (x,y) to the system  \begin{align*} 2ax+2y&=b,\\ 5x+y&=-3? \end{align*}

Mar 16, 2020
edited by Guest  Mar 16, 2020
edited by Guest  Mar 16, 2020

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There will be an infinite number of solutions if the two equations are identical.

So multiple the second one by 2 the equate coefficients.

Mar 17, 2020