3n+3(-7n+7)=165

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Solution for 3n+3(-7n+7)=165 equation:


Simplifying
3n + 3(-7n + 7) = 165

Reorder the terms:
3n + 3(7 + -7n) = 165
3n + (7 * 3 + -7n * 3) = 165
3n + (21 + -21n) = 165

Reorder the terms:
21 + 3n + -21n = 165

Combine like terms: 3n + -21n = -18n
21 + -18n = 165

Solving
21 + -18n = 165

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + -18n = 165 + -21

Combine like terms: 21 + -21 = 0
0 + -18n = 165 + -21
-18n = 165 + -21

Combine like terms: 165 + -21 = 144
-18n = 144

Divide each side by '-18'.
n = -8

Simplifying
n = -8

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