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Marysya12 [62]
3 years ago
10

Katalina is solving algebraic expressions for her math homework. She solves the problem 7y -12, when y = 3. Katalina says that t

he answer is 61. Is she correct? How do you know?
Mathematics
1 answer:
Tomtit [17]3 years ago
7 0

Answer:

No

Step-by-step explanation:

Substitute 3 in for y

7y-12

7(3)-12

21-12

9

She is not correct, the correct answer would be 9

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