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

1 answer:

6 0

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.

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The question is in the screenshot.

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Answer:

v = 4

Step-by-step explanation:

a (-2) multiplied by t (3) = -6

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