5n+2n-9=47

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Solution for 5n+2n-9=47 equation: 


Simplifying
5n + 2n + -9 = 47

Reorder the terms:
-9 + 5n + 2n = 47

Combine like terms: 5n + 2n = 7n
-9 + 7n = 47

Solving
-9 + 7n = 47

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 7n = 47 + 9

Combine like terms: -9 + 9 = 0
0 + 7n = 47 + 9
7n = 47 + 9

Combine like terms: 47 + 9 = 56
7n = 56

Divide each side by '7'.
n = 8

Simplifying
n = 8

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