7 * (х + 5) = 7х + 35
4 * (х - 3) = 4х - 12
12 * (8 + х) = 96 + 12х
16 * (6 + m) = 96 + 16m
25 * (4 - n) = 100 - 25n
20 * (6 + m) = 120 + 20m