Question

(3× ( ? )- 1) + 8 = 4​

Answer 1

Resposta:

?= -1

Explicação passo a passo:

(3× ( ? )- 1) + 8 = 4​

(3× ( ? )- 1) =4-8

(3× ( ? )- 1) =-4

3? -1=-4

3?=-4+1

3?= -3

?= -3/3

?= -1