-7n+10+9n=18

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Solution for -7n+10+9n=18 equation: 


Simplifying
-7n + 10 + 9n = 18

Reorder the terms:
10 + -7n + 9n = 18

Combine like terms: -7n + 9n = 2n
10 + 2n = 18

Solving
10 + 2n = 18

Solving for variable 'n'.

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

Add '-10' to each side of the equation.
10 + -10 + 2n = 18 + -10

Combine like terms: 10 + -10 = 0
0 + 2n = 18 + -10
2n = 18 + -10

Combine like terms: 18 + -10 = 8
2n = 8

Divide each side by '2'.
n = 4

Simplifying
n = 4

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