3+7n=4(n+2)+2n

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Solution for 3+7n=4(n+2)+2n equation:


Simplifying
3 + 7n = 4(n + 2) + 2n

Reorder the terms:
3 + 7n = 4(2 + n) + 2n
3 + 7n = (2 * 4 + n * 4) + 2n
3 + 7n = (8 + 4n) + 2n

Combine like terms: 4n + 2n = 6n
3 + 7n = 8 + 6n

Solving
3 + 7n = 8 + 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.
3 + 7n + -6n = 8 + 6n + -6n

Combine like terms: 7n + -6n = 1n
3 + 1n = 8 + 6n + -6n

Combine like terms: 6n + -6n = 0
3 + 1n = 8 + 0
3 + 1n = 8

Add '-3' to each side of the equation.
3 + -3 + 1n = 8 + -3

Combine like terms: 3 + -3 = 0
0 + 1n = 8 + -3
1n = 8 + -3

Combine like terms: 8 + -3 = 5
1n = 5

Divide each side by '1'.
n = 5

Simplifying
n = 5

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