3(3n-1)=(7n+4)+7

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Solution for 3(3n-1)=(7n+4)+7 equation:


Simplifying
3(3n + -1) = (7n + 4) + 7

Reorder the terms:
3(-1 + 3n) = (7n + 4) + 7
(-1 * 3 + 3n * 3) = (7n + 4) + 7
(-3 + 9n) = (7n + 4) + 7

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

Remove parenthesis around (4 + 7n)
-3 + 9n = 4 + 7n + 7

Reorder the terms:
-3 + 9n = 4 + 7 + 7n

Combine like terms: 4 + 7 = 11
-3 + 9n = 11 + 7n

Solving
-3 + 9n = 11 + 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.
-3 + 9n + -7n = 11 + 7n + -7n

Combine like terms: 9n + -7n = 2n
-3 + 2n = 11 + 7n + -7n

Combine like terms: 7n + -7n = 0
-3 + 2n = 11 + 0
-3 + 2n = 11

Add '3' to each side of the equation.
-3 + 3 + 2n = 11 + 3

Combine like terms: -3 + 3 = 0
0 + 2n = 11 + 3
2n = 11 + 3

Combine like terms: 11 + 3 = 14
2n = 14

Divide each side by '2'.
n = 7

Simplifying
n = 7

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