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15.
2x/5-4=3x/4-8
on solving value of x = 80/7=11.42
16.
3x- x-2/3 = 4- x-1/4
on solving value of x = 53/35
17.
5y-3=7(y-3)-2
5y-3=7y-21-2
5y-3=7y-23
5y-7y=-23+3
-2y=-20
y = 20/2
y =10
2x/5-4=3x/4-8
on solving value of x = 80/7=11.42
16.
3x- x-2/3 = 4- x-1/4
on solving value of x = 53/35
17.
5y-3=7(y-3)-2
5y-3=7y-21-2
5y-3=7y-23
5y-7y=-23+3
-2y=-20
y = 20/2
y =10
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