Question

aravind and vinoth have some erasers. Aravind said to vinoth, if you give me 10 erasers I will have twice the erasers left with you. represent this situation as linear equation in two variable

Answer 1

Arvind : A
Vinod : V

A+V = x (total number of erasers) {eq. (i)}

Now A+10 = 2*(V-10)
= A+10 = 2V-20
= 2V-A = 30 {eq. (ii)}

Now if the value of the total number of erasers is given, you can solve both the equations and get the number of eraser both of them have is

Answer 2

Answer:

2y-x = 30

Step-by-step explanation:

Let Arvind erasers be  x and vinod's y

]

∴ x+10 = 2*(y-10)

= x+10 = 2y-20

= 2y-x = 30

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