21m-5=15m+7

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Solution for 21m-5=15m+7 equation:


21m-5=15m+7

We simplify the equation to the form, which is simple to understand 
21m-5=15m+7

We move all terms containing m to the left and all other terms to the right. 
+21m-15m=+7+5

We simplify left and right side of the equation. 
+6m=+12

We divide both sides of the equation by 6 to get m. 
m=2

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