Question

1-Resolva as Equações

a) 5 ( x - 1 ) = 30

b) 2 ( x - 1 ) - 7 = 16

c) 7 ( x - 2 ) = 5 ( x + 3 )

d) 2 ( 3 x - 5 ) + 4 ( x - 1 ) = 0

e) 2 ( x - 5 ) + 4 ( x - 1 ) + 0

f) 2 ( x - 6 ) - 2 ( x - 3 ) = 10

Answer 1

Resposta:

(a) 5 ( x - 1 ) = 30

5x = 30

x = 30/5

x = 6