Respuesta :

(2) (3)+(2)(4m)+ -9=45
6+8m+-9=45
(8m)+(6+ -9)=45
8m+ -3=45
8m-3=45
8m-3+3=45+3
8m=48
Then divide 8m/8 =48/8
Which equals m=6
Answers: m=6