Question

plz tell me solution of this photo, answer was written by pencil, only question 1,2,3answer was done by pencil

Answer 1

1.15y-2(4y-1)=2(3y-1)
=>15y-8y+2=6y-2
=>7y-6y=-4
=>y=-4

Answer 2

Hey!

Here is your Answer brother
________________________
_____
Ans1)
_____

➡ 15y -2(4y-1) = 2(3y-1)

➡ 15y-8y+2 = 6y-2

➡ 15y -8y -6y = -2 -2

➡ 15y -14y = -4

➡ y = -4 Ans

________
Ans 2)
________

Let the present age of Malini be X

After 30 years later she is six times her present age

Now

➡ 6x = X +30

➡ 6x -x = 30

➡ 5x = 30

➡ X = 30/5

➡ X = 6 year Ans

________
Ans 3)
________

Given that
Two rupee coins is twice the number of 5 rupee coin,
Then

Let the 5 rs coin be X
and
2 rs coin be 2x

Now

➡ 2 rs coin = 2×2x =4x

➡ 5 rs coin = 5x

so

➡ 4x + 5x = 108

➡ 9x = 108

➡ X = 108/9

➡ X = 12 Ans!

The number of five rupee coin be 12

Hope it's helpful ✌✌