anyar
13.09.2019 •
Mathematics
in your day-to-day routines, you likely use measurement to cook or do home renovations, such as adding new tile flooring. how do you imagine that you will use measurement in your healthcare career?
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Ответ:
x=0, y=15
Step-by-step explanation:
x/2+y/5=3
(5x+2y)/10=3
5x+2y=30
2y=30-5x
y=(30-5x)/2....(1)
we know, 5x+2y=30
substituting (1)
5x+2×
=30
5x+30-5x=30
5x-5x=1
x=0
y= (30-5x)/2= 30/2=15
let's check the answer,
0/2+15/5=3
15/5=3
3=3
LHS=RHS