3(2-7n)-3n=-66

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Solution for 3(2-7n)-3n=-66 equation:


Simplifying
3(2 + -7n) + -3n = -66
(2 * 3 + -7n * 3) + -3n = -66
(6 + -21n) + -3n = -66

Combine like terms: -21n + -3n = -24n
6 + -24n = -66

Solving
6 + -24n = -66

Solving for variable 'n'.

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

Add '-6' to each side of the equation.
6 + -6 + -24n = -66 + -6

Combine like terms: 6 + -6 = 0
0 + -24n = -66 + -6
-24n = -66 + -6

Combine like terms: -66 + -6 = -72
-24n = -72

Divide each side by '-24'.
n = 3

Simplifying
n = 3

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