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monitta
3 years ago
12
Show me how to get an answer for: 1a + 18 = 7a
Mathematics
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2
answers:
nekit
[7.7K]
3 years ago
3
0
1a+18=7a
18=7a-1a
18=6a
6a=18
a=18/6
a=3
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mariarad
[96]
3 years ago
3
0
Subtract the 1a from the 7a.
1a + 18 = 7a
-1a -1a
you're then left with 18=6a. divide the 6 with the 18 to cancel out.
18=6a
/6a /6a
18 divided by 6 is 3. So your answer is a=3
Send
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