Question

resolva as equações:
B) 3y - 4 = 28 ??
C) 2.(w-2)=16 ??
D) 3z-10=z+60 ??

Answer 1

Resposta:

B) 3y-4=28

3y=28+4

3y=32

y=32/3

C) 2(w-2)=16

2w-4=16

2w=16+4

2w=20

w=20/2

w=10

D) 3z-10=z+60

3z-z=60+10

2z=70

z=70/2

z=35

Answer 2

Resposta:

$4 \times + 28 = 70 - 3 \times$