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

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


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

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

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

Remove parenthesis around (7 + 3n)
4 + 3n = 7 + 3n + -1(3n + 4)

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

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

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

Combine like terms: 3n + -3n = 0
4 + 3n = 3 + 0
4 + 3n = 3

Solving
4 + 3n = 3

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + 3n = 3 + -4

Combine like terms: 4 + -4 = 0
0 + 3n = 3 + -4
3n = 3 + -4

Combine like terms: 3 + -4 = -1
3n = -1

Divide each side by '3'.
n = -0.3333333333

Simplifying
n = -0.3333333333

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