admierewebb
15.01.2021 •
Mathematics
I need help with this problem ASAP
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Ответ:
I am not sure how to explain it but here you go
Ответ:
width = x
length = 3 + x
perimeter = x + x + ( 3 + x ) + (3+x)
18 = x + x + ( 3 + x ) + (3+x)
x + x + ( 3 + x ) + (3+x) = 18
6 + 4x = 18
4x = 12
x = 3