Question

8 - Marque a alternativa correta: Determine o valor de x: 4x – 4 – 5x = -6 +90
ac - 67
b) (-88
c) () 90
d) () 101​

Answer 1

4x - 4 - 5x = - 6 + 90

4x - 5x = - 6 + 90 + 4

-x = 88 ( •-1)

x= -88

Alternativa B