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25-03-2018
Mathematics

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Solve the system of equations y=2x+3 and 4x-2y=-6

Respuesta :

25-03-2018

substitute 2x + 3 for y

4x - 2(2x+3) = -6
4x - 4x - 6 = -6
-6 = -6
true, so the solution is all real numbers

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