\[y = 4x - 7\]
\[4x - 7 = x + 82\]
\[4x - x = 82 + 7\]
\[3x = 89\]
\[x = \frac{89}{3} = 29\frac{2}{3}.\]
\[y = x + 82 = 29\frac{2}{3} + 82 = 111\frac{2}{3}\text{.\ }\]
Вторая сотня