Question

$11m = 42 + 4m$

Answer 1

11m = 42 + 4m
11m -4m = 42
7m = 42
m = 42/7 = 6

Answer 2

$11m = 42 + 4m \\ \\ 11m - 4m = 42 \\ \\ 7m = 42 \\ \\ m = \frac{42}{7 } \\ \\ m = 6$