3(3-4n)=-39+4n

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Solution for 3(3-4n)=-39+4n equation:


Simplifying
3(3 + -4n) = -39 + 4n
(3 * 3 + -4n * 3) = -39 + 4n
(9 + -12n) = -39 + 4n

Solving
9 + -12n = -39 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
9 + -12n + -4n = -39 + 4n + -4n

Combine like terms: -12n + -4n = -16n
9 + -16n = -39 + 4n + -4n

Combine like terms: 4n + -4n = 0
9 + -16n = -39 + 0
9 + -16n = -39

Add '-9' to each side of the equation.
9 + -9 + -16n = -39 + -9

Combine like terms: 9 + -9 = 0
0 + -16n = -39 + -9
-16n = -39 + -9

Combine like terms: -39 + -9 = -48
-16n = -48

Divide each side by '-16'.
n = 3

Simplifying
n = 3

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