damian11154
13.01.2021 •
Mathematics
Given abc fde what is the length of de rounded to the nearest tenth
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Ответ:
+ 5
x = 9
2/3x = 4
× 2/3
x = 2 2/3
9x - 9 = 7x + 3
- 7x
2x - 9 = 3
+ 9
2x = 12
÷ 2
x = 6
x/5 + 1 = 3
- 1
x/5 = 2
× 5
x = 10
I hope this helps!