MrBrainz MrBrainz

04-12-2014
Mathematics

Answered

4m=9m-20 equals what

Answer :

Geekhawk Geekhawk

04-12-2014

4m=9m-20

You need to get "m" all on one side.

Take -9m from each side

-5m=-20

Divide -20 by -5m

-20÷-5=4

m=4

Answer Link

05-12-2014

4m=9m-20
0=5m-20 (subtract 4m to both sides)
5m=20 (add 20 to both sides)
m=4 (divide by 5 to both sides)

Answer Link

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