Question

How do you do -3m = 4.2

Answer 1

Make 'm' the subject

m -> x-3 = 4.2

4.2 -> ÷-3 = m

4.2 ÷ -3 = m

m = -1.4

Answer 2

m = -1.4

Explanation:

-3m = 4.2 (divide both sides by -3)

m = 4.2 / (-3) = -1.4