m-3-9=-21

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Solution for m-3-9=-21 equation:


m-3-9=-21

We simplify the equation to the form, which is simple to understand 
m-3-9=-21

We move all terms containing m to the left and all other terms to the right. 
+1m=-21+3+9

We simplify left and right side of the equation. 
+1m=-9

We divide both sides of the equation by 1 to get m. 
m=-9

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