anitadefrances
06.07.2019 •
Mathematics
How to slove multistep equation 2/5(x-2)=-3
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Ответ:
2(x-2)=-15
Distribute on the left
2x-4=-15
Add 4 to both sides
2x=-11
Divide both sides by 2
x=-11/2
Final x=-11/2 or x=-5.5
Ответ:
Ответ:
12 adults
Step-by-step explanation:
Given that :
Let :
Number of children = x
Number of adult = y
x = 32 + y - - - - - (1)
Ratio of adult to children
3 : 11
x = (11/3)y - - - (2)
Put x = 11/3y in (1)
(11/3)y = 32 + y
11y/3 - y = 32
(11y - 3y) / 3 = 32
11y - 3y = 32 * 3
8y = 96
y = 96/8
y = 12
Hence, number of adults = 12