53-12+9n=140

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Solution for 53-12+9n=140 equation:


53-12+9n=140

We simplify the equation to the form, which is simple to understand 
53-12+9n=140

We move all terms containing n to the left and all other terms to the right. 
+9n=+140-53+12

We simplify left and right side of the equation. 
+9n=+99

We divide both sides of the equation by 9 to get n. 
n=11

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