shaylakabler333
22.11.2021 •
Mathematics
Solve the equation 5/x+3 + 4/x+2 = 2
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Ответ:
5 + 4 = 9
x × x = X2
3 + 2 = 5
9/x + 5 = 2
Ответ:
$4.25
Step-by-step explanation:
Let price of drink be x
price of tub y
You have 4x+2y=32.5 (1) and
x = y -3.5 (2)
Plug for x from (2) into (1):
4(y-3.5) + 2y = 32.5
4y -14 +2y = 32.5
6y = 14+32.5
y = (46.5)/6 = $7.75 the price of tub
x= y-3.5 = 7.75 - 3.5 = $4.25