How do you know that substitution give a you the answer to a system of equations

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Simeon Roberts

Mathematics

1 May, 08:30

How do you know that substitution give a you the answer to a system of equations

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Irvin Oconnell · Answer 1

Solve each system by substitution. Check your solution. Writing How do you know that substitution gives the answer to a system of equations? ... You Would solve the second equationfor y and then substitute back into the first equation.