Question

Tìm m:     2(2m+1) + 3(3m+2) - 4m+3 = 50

Answer 1

\(4m+2+9m+6-4m+3=50\\ 9m+11=50\\9m=39\\ m=\dfrac{13}{3} \)

Answer 2

`2(2m+1) + 3(3m+2) - 4m + 3=50`

`4m + 2 + 9m + 6 - 4m + 3 = 50`

`9m + 11 = 50`

`9m = 39`

`m = 13/3`