15) Find the three consecutive even numbers whose sum is 36.
3y
16) Find y:- 8 = 1​

Q)15: y=4 Answer

Q16): y=7 Answer

Explanation:

Q15:                                                Solution:

1st even consecutive number= y

2nd even consecutive number= y+2

3rd even consecutive number= y+4

y+y+2+y+4

2y+2+y+4

4y+y+4

5y+4

9y=36

9y/9=36 (9y divided by 9 with both side Left side and also right side and 9 and 9 will cut. Now y is left)

y=36/9 (Now divide the 36 with 9)

y=4 Answer

Q16).                                           Solution:                                                              

The equation is y-8 = 1 (Now we have to shift the 8 into left hand side).

y=8-1 (Now we have to minus the 1 from 8).

y=7 Answer

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