8(3m-2)-13=5(12+3m)+28 помогите решить плиз

8*(3m-2)-13=5*(12+3m)+28
24m - 16 - 13 = 60 + 15m + 28
24m - 15m = 16 + 13 + 60 + 28
9m = 117
m = 117 / 9
m = 13

24m-16-13=60+15m+28
24m-15m=60+28+16+13
9m=117
m=117/9
m=13