2n-(n+7)=12

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


Simplifying
2n + -1(n + 7) = 12

Reorder the terms:
2n + -1(7 + n) = 12
2n + (7 * -1 + n * -1) = 12
2n + (-7 + -1n) = 12

Reorder the terms:
-7 + 2n + -1n = 12

Combine like terms: 2n + -1n = 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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