-129=6(1-4n)-3n

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Solution for -129=6(1-4n)-3n equation:


Simplifying
-129 = 6(1 + -4n) + -3n
-129 = (1 * 6 + -4n * 6) + -3n
-129 = (6 + -24n) + -3n

Combine like terms: -24n + -3n = -27n
-129 = 6 + -27n

Solving
-129 = 6 + -27n

Solving for variable 'n'.

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

Add '27n' to each side of the equation.
-129 + 27n = 6 + -27n + 27n

Combine like terms: -27n + 27n = 0
-129 + 27n = 6 + 0
-129 + 27n = 6

Add '129' to each side of the equation.
-129 + 129 + 27n = 6 + 129

Combine like terms: -129 + 129 = 0
0 + 27n = 6 + 129
27n = 6 + 129

Combine like terms: 6 + 129 = 135
27n = 135

Divide each side by '27'.
n = 5

Simplifying
n = 5

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