-3(-7n-7)=189

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Solution for -3(-7n-7)=189 equation: 


Simplifying
-3(-7n + -7) = 189

Reorder the terms:
-3(-7 + -7n) = 189
(-7 * -3 + -7n * -3) = 189
(21 + 21n) = 189

Solving
21 + 21n = 189

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 + 21n = 189 + -21

Combine like terms: 21 + -21 = 0
0 + 21n = 189 + -21
21n = 189 + -21

Combine like terms: 189 + -21 = 168
21n = 168

Divide each side by '21'.
n = 8

Simplifying
n = 8

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