3/7 (4m-18) = 12

2 answers

3/7 (4m-18) = 12

4m-18 = 12*7/3
4m-18 = 28
4m = 46
m = 46/4 = 23/2 or 11 1/2 or 11.5
3/7 (4m-18) = 12
first you expand it
12/7m - 54/7 = 12
12/7m = 138/7
12m = 138
m = 11.5