3(3n-4)=(7n+4)+8

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Solution for 3(3n-4)=(7n+4)+8 equation:


Simplifying
3(3n + -4) = (7n + 4) + 8

Reorder the terms:
3(-4 + 3n) = (7n + 4) + 8
(-4 * 3 + 3n * 3) = (7n + 4) + 8
(-12 + 9n) = (7n + 4) + 8

Reorder the terms:
-12 + 9n = (4 + 7n) + 8

Remove parenthesis around (4 + 7n)
-12 + 9n = 4 + 7n + 8

Reorder the terms:
-12 + 9n = 4 + 8 + 7n

Combine like terms: 4 + 8 = 12
-12 + 9n = 12 + 7n

Solving
-12 + 9n = 12 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
-12 + 9n + -7n = 12 + 7n + -7n

Combine like terms: 9n + -7n = 2n
-12 + 2n = 12 + 7n + -7n

Combine like terms: 7n + -7n = 0
-12 + 2n = 12 + 0
-12 + 2n = 12

Add '12' to each side of the equation.
-12 + 12 + 2n = 12 + 12

Combine like terms: -12 + 12 = 0
0 + 2n = 12 + 12
2n = 12 + 12

Combine like terms: 12 + 12 = 24
2n = 24

Divide each side by '2'.
n = 12

Simplifying
n = 12

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