3n+5=7-7n

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Solution for 3n+5=7-7n equation:


Simplifying
3n + 5 = 7 + -7n

Reorder the terms:
5 + 3n = 7 + -7n

Solving
5 + 3n = 7 + -7n

Solving for variable 'n'.

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

Add '7n' to each side of the equation.
5 + 3n + 7n = 7 + -7n + 7n

Combine like terms: 3n + 7n = 10n
5 + 10n = 7 + -7n + 7n

Combine like terms: -7n + 7n = 0
5 + 10n = 7 + 0
5 + 10n = 7

Add '-5' to each side of the equation.
5 + -5 + 10n = 7 + -5

Combine like terms: 5 + -5 = 0
0 + 10n = 7 + -5
10n = 7 + -5

Combine like terms: 7 + -5 = 2
10n = 2

Divide each side by '10'.
n = 0.2

Simplifying
n = 0.2

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