n+9=3+3n

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Solution for n+9=3+3n equation:


Simplifying
n + 9 = 3 + 3n

Reorder the terms:
9 + n = 3 + 3n

Solving
9 + n = 3 + 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.
9 + n + -3n = 3 + 3n + -3n

Combine like terms: n + -3n = -2n
9 + -2n = 3 + 3n + -3n

Combine like terms: 3n + -3n = 0
9 + -2n = 3 + 0
9 + -2n = 3

Add '-9' to each side of the equation.
9 + -9 + -2n = 3 + -9

Combine like terms: 9 + -9 = 0
0 + -2n = 3 + -9
-2n = 3 + -9

Combine like terms: 3 + -9 = -6
-2n = -6

Divide each side by '-2'.
n = 3

Simplifying
n = 3

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