7n-(2n-5)=-5n+30

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Solution for 7n-(2n-5)=-5n+30 equation:


Simplifying
7n + -1(2n + -5) = -5n + 30

Reorder the terms:
7n + -1(-5 + 2n) = -5n + 30
7n + (-5 * -1 + 2n * -1) = -5n + 30
7n + (5 + -2n) = -5n + 30

Reorder the terms:
5 + 7n + -2n = -5n + 30

Combine like terms: 7n + -2n = 5n
5 + 5n = -5n + 30

Reorder the terms:
5 + 5n = 30 + -5n

Solving
5 + 5n = 30 + -5n

Solving for variable 'n'.

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

Add '5n' to each side of the equation.
5 + 5n + 5n = 30 + -5n + 5n

Combine like terms: 5n + 5n = 10n
5 + 10n = 30 + -5n + 5n

Combine like terms: -5n + 5n = 0
5 + 10n = 30 + 0
5 + 10n = 30

Add '-5' to each side of the equation.
5 + -5 + 10n = 30 + -5

Combine like terms: 5 + -5 = 0
0 + 10n = 30 + -5
10n = 30 + -5

Combine like terms: 30 + -5 = 25
10n = 25

Divide each side by '10'.
n = 2.5

Simplifying
n = 2.5

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