-2(m-30)=6m

Answer 1

- 2 ( m - 30 ) = 6 m

- 2 ∙ m - 2 ∙ ( - 30 ) = 6 m

- 2 m + 2 ∙ 30 = 6 m

- 2 m + 60 = 6 m

Add 2 m to both sides

60 = 8 m

60 / 8 = m

4 ∙ 15 / 4 ∙ 2 = m

15 / 2 = m

m = 15 / 2

Answer 2

-2(m-30)=6m
-2m + 60 =6m
60 = 6m + 2m = 8m
m = 60/8 = 15/2.