1) 40-y = 25;
y=15
2) y+300= 220*53/21
y= 555 5/21 - 300
y= 255 5/21
3) 65 = 7 + 2y
y=58/2
y=29
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Answers & Comments
1) 40-y = 25;
y=15
2) y+300= 220*53/21
y= 555 5/21 - 300
y= 255 5/21
3) 65 = 7 + 2y
y=58/2
y=29