Question

Ривняння:
8•(250:c+12)=136

Answer 1

8*(250:с+12)=136

2000:8с+96=136

8с=136-2000-96

8с=-1960

с=-245

Answer 2

$\frac{250}{c} + 12 = \frac{136}{8 } \\ \frac{250}{c} + 12 = 17 \\ \frac{250}{c} = 17 - 12 \\ \frac{250}{c} = 5 \\ c = \frac{250}{5} \\ c = 50$