Question

calcule a raiz da ecuaçao ×+4(×-1) = 9 -2 - (×+3)

Answer 1

x + 4( x - 1) = 9 - 2 -( x + 3)
x + 4x - 4 = 9 - 2 - x - 3
x + 4x + x = 9 - 2 - 3 + 4
6x = 8
x =   8   ( :2)  = 4 
       6   ( :2)     3

Bons estudos..(;