Question

1) RESOLVA AS EQUAÇÕES A SEGUIR:

A) 18x - 43 = 65

B) 23x - 16 = 14 - 17x

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

Answer 1

A) 18x - 43 = 65

18x-43=65

18x=65+43

18x=108

x=108/18

x=6

B) 23x - 16 = 14 - 17x

23x+17x=14+16

40x=30

x=30/40

x=3/4

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

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

5y-5=6y-26

5y-6y=-26+5

-y=-21

y=-21/-1

y=21

espero ter ajudado!

boa tarde!