Question

alguém sabe qual a resposta?​

Answer 1

1)

18x - 43 = 65

18x = 65 + 43

18x = 108

18x = 108

x = 6

2)

10y - 5(1 + y) = 3(2y - 2) - 20

10y - 5 + 5y = 6y - 6 - 20

5y - 6 = 6y - 26

5y - 6y = -26 + 5

-y = -21

y = 21

Answer 2

Resposta:

18x-43=65

18x= 65 + 43

18x=108

x=108/18

x=6

10y-5(1+y)=3(2y-2)-20

10y-5-5y=6y-6-20

10y-5y-6y=-6-20+5

-y= - 21

y = 21