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Solve y+1 / 2 - 2y-1 / 3 = 4  A. y = 29 B. y = -29 C. y ...
waec-2019 ssce-exam-2019 waec-mathematics-2019 math
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solve y+1 / 2 - 2y-1 / 3 = 4 

A. y = 29

B. y = -29

C. y = -19

D. y = 19

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james_mark
Asked by james_markrep:740
School not set Nigeria
20 July 2020

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peter
Peter answeredrep:1.8K
University of Lagos Nigeria
20 February 2021
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 (y+1)/2 - (2y - 1)/3 = 4

Find the LCM of the denominator.

LCM of 2 and 3 is 6

multiply through by 6

6(y + 1)/2 - 6(2y - 1)/3 = 24

3(y + 1) - 2(2y - 1) = 24

3y + 3 - 4y + 2 = 24

3y - 4y + 3 + 2 = 24

-y + 5 = 24

Subtract 5 from both sides

-y = 24 - 5

-y =  19

Multiply both sides by -1

y = -19

Ans C

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dp
Teddyyung653,
I dont get the first part,after multiplying through 6
2 likes, 0 dislikes
dp
Kate11, Great achievers school
How did you multiple by 6
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