7+n=5+3n

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


Simplifying
7 + n = 5 + 3n

Solving
7 + n = 5 + 3n

Solving for variable 'n'.

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

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

Combine like terms: n + -3n = -2n
7 + -2n = 5 + 3n + -3n

Combine like terms: 3n + -3n = 0
7 + -2n = 5 + 0
7 + -2n = 5

Add '-7' to each side of the equation.
7 + -7 + -2n = 5 + -7

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

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

Divide each side by '-2'.
n = 1

Simplifying
n = 1

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