Question

2mn-5m+n=55 m=? n=?​

Answer 1

Answer:

$2mn - 5m + n = 55 \\ m(2n - 5) + n = 55 \\ 2n - 5 + n = \frac{55}{m} \\ n - 5 = \frac{55}{m} \\ m(n - 5) = 55 \\ mn - 5m = 55$