Question

b)y+6=20 c)3b+5=20 d)8=20-2z

esqueci de colocar o resto
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Answer 1

b)

y+6=20

y=20-6

y=14

c)

3b+5=20

3b=20-5

3b=15

b=15/3

b=5

d)

8=20-2z

2z=20-8

2z=12

z=12/2

z=6

Answer 2

b)y=20-6

y=14

c)3b=20-5

3b=15

b=15/3

b=5

d)-2z=20-8

-2z=12 ×(-1)

2z=12

z=12/2

z=6

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