5(9+4n)-7n=3(6n-6)-2n

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Solution for 5(9+4n)-7n=3(6n-6)-2n equation:


Simplifying
5(9 + 4n) + -7n = 3(6n + -6) + -2n
(9 * 5 + 4n * 5) + -7n = 3(6n + -6) + -2n
(45 + 20n) + -7n = 3(6n + -6) + -2n

Combine like terms: 20n + -7n = 13n
45 + 13n = 3(6n + -6) + -2n

Reorder the terms:
45 + 13n = 3(-6 + 6n) + -2n
45 + 13n = (-6 * 3 + 6n * 3) + -2n
45 + 13n = (-18 + 18n) + -2n

Combine like terms: 18n + -2n = 16n
45 + 13n = -18 + 16n

Solving
45 + 13n = -18 + 16n

Solving for variable 'n'.

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

Add '-16n' to each side of the equation.
45 + 13n + -16n = -18 + 16n + -16n

Combine like terms: 13n + -16n = -3n
45 + -3n = -18 + 16n + -16n

Combine like terms: 16n + -16n = 0
45 + -3n = -18 + 0
45 + -3n = -18

Add '-45' to each side of the equation.
45 + -45 + -3n = -18 + -45

Combine like terms: 45 + -45 = 0
0 + -3n = -18 + -45
-3n = -18 + -45

Combine like terms: -18 + -45 = -63
-3n = -63

Divide each side by '-3'.
n = 21

Simplifying
n = 21

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