Neko1kat
26.08.2019 •
Mathematics
Write an equation and solve: twice a number, increased by 3 is 7.
a) 2
b) 5
c) 8
eliminate
d) 20
Solved
Show answers
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Ответ:
2x+3=7
subtract 3 on both sides:
2x=4
divide by 2 on both sides:
x=2
So the answer to the problem is A
Ответ:
m times 2 + 3 = 7
M would be 2
Ответ:
Approximately $20
Step-by-step explanation: