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

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


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

Reorder the terms:
5(-4 + 3n) = (6n + 7) + 9
(-4 * 5 + 3n * 5) = (6n + 7) + 9
(-20 + 15n) = (6n + 7) + 9

Reorder the terms:
-20 + 15n = (7 + 6n) + 9

Remove parenthesis around (7 + 6n)
-20 + 15n = 7 + 6n + 9

Reorder the terms:
-20 + 15n = 7 + 9 + 6n

Combine like terms: 7 + 9 = 16
-20 + 15n = 16 + 6n

Solving
-20 + 15n = 16 + 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.
-20 + 15n + -6n = 16 + 6n + -6n

Combine like terms: 15n + -6n = 9n
-20 + 9n = 16 + 6n + -6n

Combine like terms: 6n + -6n = 0
-20 + 9n = 16 + 0
-20 + 9n = 16

Add '20' to each side of the equation.
-20 + 20 + 9n = 16 + 20

Combine like terms: -20 + 20 = 0
0 + 9n = 16 + 20
9n = 16 + 20

Combine like terms: 16 + 20 = 36
9n = 36

Divide each side by '9'.
n = 4

Simplifying
n = 4

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