SOLUTION: what is -7 + 3n + 9n = 29

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Question 582579: what is -7 + 3n + 9n = 29
Answer by jim_thompson5910(35256) About Me  (Show Source):
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-7%2B3n%2B9n=29 Start with the given equation.


12n-7=29 Combine like terms on the left side.


12n=29%2B7 Add 7 to both sides.


12n=36 Combine like terms on the right side.


n=%2836%29%2F%2812%29 Divide both sides by 12 to isolate n.


n=3 Reduce.


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Answer:

So the solution is n=3