hdolly81
10.02.2020 •
Mathematics
How do i solve 5-1=5-5(x+8)+2x
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Ответ:
x = -13
Step-by-step explanation:
5 - 1 = 5 - 5 (x + 8) + 2x
4 = 5 - 5x - 40 + 2x
4 - 5 + 40 = - 5x + 2x
39 = - 3x
39/3 = - x
13 = - x
- 13 = x
Ответ:
width = 24cm
Therefore 24cm = "3 parts"
"one part"= 24÷3=8cm
5 multiplied by 8 = 40cm
it is 40cm long