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15/20 x - 4/20 x = 2
11/20 x = 2
x= 2 :11/20
x = 2 x 20/11
x= 40/11
b. 1/y - 1/2 = 1/3
1/y = 1/3 + 1/2
1/y = 2/6 + 3/6
1/y= 5/6
y = 6/5
a. 3/4 x - 1/5 x = 2
15/20 x - 4/20 x = 2
11/20 x = 2
x= 2 :11/20
x = 2 x 20/11
x= 40/11
b. 1/y - 1/2 = 1/3
1/y = 1/3 + 1/2
1/y = 2/6 + 3/6
1/y= 5/6
y = 6/5
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