Question

7 (x-1)=x-4+18 qual a resposta dessa equação?

Answer 1

Olá!

7 . ( x - 1 ) = x - 4 + 18

7x - 7 = x - 4 + 18

7x - x = - 4 + 18 + 7

6x = 12 + 7

6x = 19

x = 19/6

Answer 2

7 ( x - 1) = x - 4 + 18

7x - 7 = x + 14

7x - x = 14 + 7

6x = 19

$\boxed{x = 19 / 6}$