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Ray Of Light
[21]
3 years ago
9
3a + 21 = 7 - 4a what's the answer
Mathematics
Answer
Comment
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2
answers:
denis23
[38]
3 years ago
8
0
After simplifying a= -2
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scoundrel
[369]
3 years ago
5
0
3a + 21 = 7 - 4a
3a + 4a = 7 - 21
7 a = -14
a = - 14 / 7
a = - 2
hope this helps!
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