-(1-6n)=3(n+7)+n

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Solution for -(1-6n)=3(n+7)+n equation:


Simplifying
-1(1 + -6n) = 3(n + 7) + n
(1 * -1 + -6n * -1) = 3(n + 7) + n
(-1 + 6n) = 3(n + 7) + n

Reorder the terms:
-1 + 6n = 3(7 + n) + n
-1 + 6n = (7 * 3 + n * 3) + n
-1 + 6n = (21 + 3n) + n

Combine like terms: 3n + n = 4n
-1 + 6n = 21 + 4n

Solving
-1 + 6n = 21 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
-1 + 6n + -4n = 21 + 4n + -4n

Combine like terms: 6n + -4n = 2n
-1 + 2n = 21 + 4n + -4n

Combine like terms: 4n + -4n = 0
-1 + 2n = 21 + 0
-1 + 2n = 21

Add '1' to each side of the equation.
-1 + 1 + 2n = 21 + 1

Combine like terms: -1 + 1 = 0
0 + 2n = 21 + 1
2n = 21 + 1

Combine like terms: 21 + 1 = 22
2n = 22

Divide each side by '2'.
n = 11

Simplifying
n = 11

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