Question

3-(2/9m+1/6)=m/3+1.5
 Решите уравнение

Answer 1

3-(2/9*m+1/6)=m/3+1.5
3-2/9*m-1/6=m/3+1.5
-2/9*m-m/3=1.5-3-1/6
-2/9*m-3m/9=-1,5-1/6
-5/9m=-1 5/10-1/6
-5/9m=-1 1/2-1/6
-5/9m=-1 3/6-1/6
-5/9m=-1 4/6
-5/9m=-1 2/3
-5/9m=-5/3
m=-5/3:(-5/9)=5/3:5/9=5/3*9/5=1/3*9/1=9/3=3