10. y-6/4 +y-3/5 =5y-4/8
11. m-(m-1)/2 =1-(m-2)/3
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Answer:
-2.03 is the ans. for the 10th one and ans for 11th one is 7/5
Answered by
1
Hii Mates,...
1. y - 6/4 + y - 3/5 =5y - 4/8
5(y - 6/4) + 4(y - 3/5) = 5y - 4/8
5y - 30 + 4y - 12/20 = 5y - 4/8
9y - 42 = 5y - 4/8
Cross multiplication,
8(9y - 42) = 20(5y - 4)
72y - 336 = 100y - 80
100y - 72y = 336 - 80
28y = 256
y = 256/28
y = 9.15
2. m - (m - 1)/2 = 1- (m - 2)/3
(2m - m + 1)/2 = (3 - m + 2)/3
(m + 1)/2 = ( 5 - m)/3
3(m + 1) = 2(5 - m)
3m + 3 = 10 - 2m
3m + 2m = 10 - 3
5m = 7
m = 7/5
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