13m-9m=20

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Solution for 13m-9m=20 equation:


13m - 9m = 20

We simplify the equation to the form, which is simple to understand 
13m-9m=20

We move all terms containing m to the left and all other terms to the right. 
+13m-9m=+20

We simplify left and right side of the equation. 
+4m=+20

We divide both sides of the equation by 4 to get m. 
m=5

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