Question

daca x supra 4 egal cu x+2 supra 8 atunci x egal cu?​

Answer 1

Răspuns:

$\frac{x}{4} = \frac{x + 2}{8} \\ 8x = 4(x + 2) \\ 8x = 4x + 8 \\ 8x - 4x = 8 \\ 4x = 8 \\ x = 2$