When Sophia solved her equation, she got x = 7, but when she plugged 7 back into the equation, she got 3 = 9. What could this tell Sophia?

asked Feb 7, 2021 162k views

2 votes

by PSL

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This tells Sophia that she was wrong and probably needs to divide

Lamrin answered Feb 7, 2021

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i suppose this can tell sofia that she solved the equation wrong and the answer is not x=7

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