3a + 5b - 4a + 2b =
7a
23ab
a + b
-a + 7b...
![subject](/tpl/images/cats/mat.png)
Mathematics, 08.12.2021 17:20 rosieposie27
3a + 5b - 4a + 2b =
7a
23ab
a + b
-a + 7b
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Answers: 2
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