Hockeypro1127
13.08.2019 •
Mathematics
Aaasseee !
write as an equation: the sides of a rectangle are x and (x – 4). the perimeter is 87.
a. 87 = 2x + 2(x - 4)
b. 87 = 2x + 2x - 4
c. 87 = x + (x - 4)
d. 87 + 2x = 2(x – 4)
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Ответ:
the answer is a
Step-by-step explanation:
2x +2(x-4)=87
2x+2x-8=87
4x-8=87
4x=95
x=95/4
Ответ:
#7. B
#8. B
(I know the questions dont have indicating letters but I used letters to shorten my answer, I'm sure you can understand it)