Question

resolva as equações:
b) 4y - 15 = 17
e) 2x - 25 = 20
h) 4y - 27 = y​

Answer 1

Resposta:

B)

4y=15+17=32

4y=32

y=32=4=8

C)

2x=25+20=45

2x=45

x=45/2=22,5

H)

4y-y=28

3y=28

y=28/3=9,3