Question

10 - X/2 = 28 QUAL O VALOR DE X?

Answer 1

Resposta:

x=-36

Explicação passo-a-passo:

$10-\dfrac{x}{2}=28\\\dfrac{20-x=56}{2}\\-x=56-20\\-x=36\\x=-36$

Answer 2

Resposta:

10 - x2 =28

x2 = 28 -10

x2 = 18

2 / 18 = x

x = 9