Question

2.(×-2)+5.(2-×)+6.(×+1)=0​

Answer 1

Resposta:

2 ( x - 2 ) + 5 ( 2 - x ) + 6 ( x + 1 ) = 0

2x - 4 + 10 - 5x + 6x + 6 = 0

2x - 5x + 6x = 0 - 6 - 10 + 4

3x = - 12

x = - 12 / 3

x = - 4

Espero ter ajudado