7n=2n-(5)(-5)

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Solution for 7n=2n-(5)(-5) equation: 


Simplifying
7n = 2n + -1(5)(-5)

Multiply -1 * 5
7n = 2n + -5 * -5

Multiply -5 * -5
7n = 2n + 25

Reorder the terms:
7n = 25 + 2n

Solving
7n = 25 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
7n + -2n = 25 + 2n + -2n

Combine like terms: 7n + -2n = 5n
5n = 25 + 2n + -2n

Combine like terms: 2n + -2n = 0
5n = 25 + 0
5n = 25

Divide each side by '5'.
n = 5

Simplifying
n = 5

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