(n-7)-2n=12

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Solution for (n-7)-2n=12 equation:


Simplifying
(n + -7) + -2n = 12

Reorder the terms:
(-7 + n) + -2n = 12

Remove parenthesis around (-7 + n)
-7 + n + -2n = 12

Combine like terms: n + -2n = -1n
-7 + -1n = 12

Solving
-7 + -1n = 12

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 + -1n = 12 + 7

Combine like terms: -7 + 7 = 0
0 + -1n = 12 + 7
-1n = 12 + 7

Combine like terms: 12 + 7 = 19
-1n = 19

Divide each side by '-1'.
n = -19

Simplifying
n = -19

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