3-3n-n=7

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


Simplifying
3 + -3n + -1n = 7

Combine like terms: -3n + -1n = -4n
3 + -4n = 7

Solving
3 + -4n = 7

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + -4n = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -4n = 7 + -3
-4n = 7 + -3

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

Divide each side by '-4'.
n = -1

Simplifying
n = -1

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