-81=-2(6n+1)+5

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Solution for -81=-2(6n+1)+5 equation:


Simplifying
-81 = -2(6n + 1) + 5

Reorder the terms:
-81 = -2(1 + 6n) + 5
-81 = (1 * -2 + 6n * -2) + 5
-81 = (-2 + -12n) + 5

Reorder the terms:
-81 = -2 + 5 + -12n

Combine like terms: -2 + 5 = 3
-81 = 3 + -12n

Solving
-81 = 3 + -12n

Solving for variable 'n'.

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

Add '12n' to each side of the equation.
-81 + 12n = 3 + -12n + 12n

Combine like terms: -12n + 12n = 0
-81 + 12n = 3 + 0
-81 + 12n = 3

Add '81' to each side of the equation.
-81 + 81 + 12n = 3 + 81

Combine like terms: -81 + 81 = 0
0 + 12n = 3 + 81
12n = 3 + 81

Combine like terms: 3 + 81 = 84
12n = 84

Divide each side by '12'.
n = 7

Simplifying
n = 7

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