7n-(5n-4)=0

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Solution for 7n-(5n-4)=0 equation:


Simplifying
7n + -1(5n + -4) = 0

Reorder the terms:
7n + -1(-4 + 5n) = 0
7n + (-4 * -1 + 5n * -1) = 0
7n + (4 + -5n) = 0

Reorder the terms:
4 + 7n + -5n = 0

Combine like terms: 7n + -5n = 2n
4 + 2n = 0

Solving
4 + 2n = 0

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 + 2n = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 2n = 0 + -4
2n = 0 + -4

Combine like terms: 0 + -4 = -4
2n = -4

Divide each side by '2'.
n = -2

Simplifying
n = -2

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