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Mattie Scott
Mathematics
5 September, 20:42
What is 7a+21=56 and what is the solution
+5
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Beau Erickson
5 September, 20:48
0
7a+21=56
Subtract 21 from 56
7a=35
Divide 35 by 7
Answer a=5
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Mya
5 September, 21:04
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7a+21=56
Begin by subtracting 21 on both sides:
21-21=0 so the 21 in the left cancels, then 56-21=35
Your new equation will be
7a=35
Finally, divide by 7 on both sides:
7/7=1 and 35/7=5
your answer will be
a=5
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