Respuesta :

marcthemathtutor

Answer:

m = -1.4

Step-by-step explanation:

-3m = 4.2  (divide both sides by -3)

m = 4.2 / (-3) = -1.4

GeothermalBroom

Make 'm' the subject

m -> x-3 = 4.2

4.2 -> ÷-3 = m

4.2 ÷ -3 = m

m = -1.4

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