Answer:
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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