Question

x - 1 = X sobre 2 ?..........

Answer 1

x-1= $\frac{x}{2}$

2(x-1)= x

2x-2=x

2x=x+2

x=2

Answer 2

Resposta:

x-1= \frac{x}{2}

2(x-1)= x

2x-2=x

2x=x+2

x=2

Explicação passo-a-passo: