Question

Как решить уравнение
7(-3(m - 2) – m) – 12 = 4(5 – 3m) - 4

Answer 1

7(-3m+6-m)-12=20-12m-4
-28m+42-12=16-12m-4
-16m=-28
m=-28/-16=1.75

Answer 2

7(-3(m - 2) – m) – 12 = 4(5 – 3m) - 4
7(-3m+6-m)-12=20-12m-4
-28m+42-12=16-12m
-16m=-14
m=7/8=0.875