What is 9m-28=2m explain
9m-28=2m9m-28-2m=2m-2m(9m-2m)-28=07m-28=07m-28+28=0+287m=28(7m)/7 = 28/7m=4
Subtract 2m on both sides, which leaves you with 7m=-28, divde -28 with 7 and equals to -4-4=M