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muhammed95
02.10.2019 •
Mathematics
Elimination method. i need with the middle one and perhaps the second one as well. there can't be any fractions! you!
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Ответ:
3
Step-by-step explanation:
3a + 2 = 11
3a + 2 - 2 = 11 - 2
3a = 9
3a/3 = 9/3
a = 3