-3n+7+7n=-9

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Solution for -3n+7+7n=-9 equation:


Simplifying
-3n + 7 + 7n = -9

Reorder the terms:
7 + -3n + 7n = -9

Combine like terms: -3n + 7n = 4n
7 + 4n = -9

Solving
7 + 4n = -9

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + 4n = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 4n = -9 + -7
4n = -9 + -7

Combine like terms: -9 + -7 = -16
4n = -16

Divide each side by '4'.
n = -4

Simplifying
n = -4

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