Question

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Answer 1

b) 1+4y= 25

4y= 25-1

4y= 24

y= 24/4= 6

y= 6

c) 10/2+y= 9

10+2y= 18

2y= 18-10

2y= 8

y= 8/2= 4

d) 10-y= 13

-y= 13-10

-y= 3 (-1)

y= -3

Bons estudos!