3m-21=m-1

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Solution for 3m-21=m-1 equation:


3m-21=m-1

We simplify the equation to the form, which is simple to understand 
3m-21=m-1

We move all terms containing m to the left and all other terms to the right. 
+3m-1m=-1+21

We simplify left and right side of the equation. 
+2m=+20

We divide both sides of the equation by 2 to get m. 
m=10

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