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Mathematics, 03.04.2020 02:24 litzyguzman13

Katalina is solving algebraic expressions for her math homework. She solves the problem 7y -12, when y = 3. Katalina says that the answer is 61. Is she correct? How do you know?

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Katalina is solving algebraic expressions for her math homework. She solves the problem 7y -12, when...
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