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Drupady [299]
3 years ago
11

(D

mula1" title=" \frac{x}{2 } + \frac{y}{5} = 3 " alt=" \frac{x}{2 } + \frac{y}{5} = 3 " align="absmiddle" class="latex-formula">
helpppppp pleaseeeee​
Mathematics
1 answer:
Alona [7]3 years ago
4 0

Answer:

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×\frac{30-5x}{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

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