Question

me ajudem nessas questões pfvrrrr​

Answer 1

Resposta:

4) $\frac{x - 4}{2}$ = $\frac{12 - 4}{2}$ = $\frac{8}{2}$ = 4

5) $\frac{4n - 3}{5}$ = $\frac{4 . 12 - 3}{5}$ = $\frac{48 - 3}{5}$=$\frac{45}{5}$ = 9

6) $\frac{45 - 3r}{3}$ = $\frac{45 - 3 . 5}{3}$ = $\frac{45 - 15}{3}$=$\frac{30}{3}$ = 10