129=-6-9n

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Solution for 129=-6-9n equation:


129=-6-9n

We simplify the equation to the form, which is simple to understand 
129=-6-9n

We move all terms containing n to the left and all other terms to the right. 
+9n=-6-129

We simplify left and right side of the equation. 
+9n=-135

We divide both sides of the equation by 09 to get n. 
n=-15

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