Question

RESULTADO da equacao de 1 grau -2.(2x+5)=2(4-1x)

Answer 1

Resposta:

-2 . (2x+5) = 2 . (4-1x)

-4x -10 = 8 - 2x

-4x +2x = 8 + 10

-2x = 18 . (-1)

2x = - 18

x = - 18 / 2

x = - 9