huldalizvega98
03.07.2019 •
Mathematics
What is 7a+21=56 and what is the solution
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Ответ:
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
Ответ:
Subtract 21 from 56
7a=35
Divide 35 by 7
Answer a=5
Ответ: