-3(-3n+7)=39+6n

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Solution for -3(-3n+7)=39+6n equation:


Simplifying
-3(-3n + 7) = 39 + 6n

Reorder the terms:
-3(7 + -3n) = 39 + 6n
(7 * -3 + -3n * -3) = 39 + 6n
(-21 + 9n) = 39 + 6n

Solving
-21 + 9n = 39 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
-21 + 9n + -6n = 39 + 6n + -6n

Combine like terms: 9n + -6n = 3n
-21 + 3n = 39 + 6n + -6n

Combine like terms: 6n + -6n = 0
-21 + 3n = 39 + 0
-21 + 3n = 39

Add '21' to each side of the equation.
-21 + 21 + 3n = 39 + 21

Combine like terms: -21 + 21 = 0
0 + 3n = 39 + 21
3n = 39 + 21

Combine like terms: 39 + 21 = 60
3n = 60

Divide each side by '3'.
n = 20

Simplifying
n = 20

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