Question

110* 2 -c = 180:60 решить уравнение​

Answer 1

Ответ:

$110 \times 2 - c = 180 \div 60 \\ \frac{220 - c}{1} = \frac{180}{60} \\ 60(220 - c) = 180 \\ 13200 - 60c = 180 \\ - 60c = 180 - 13200 \\ - 60c = - 13020 \\ c = - 13020 \div - 60 \\ c = 217$