3(-1+3n)-3(n+3)=12+6n

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Solution for 3(-1+3n)-3(n+3)=12+6n equation: 


Simplifying
3(-1 + 3n) + -3(n + 3) = 12 + 6n
(-1 * 3 + 3n * 3) + -3(n + 3) = 12 + 6n
(-3 + 9n) + -3(n + 3) = 12 + 6n

Reorder the terms:
-3 + 9n + -3(3 + n) = 12 + 6n
-3 + 9n + (3 * -3 + n * -3) = 12 + 6n
-3 + 9n + (-9 + -3n) = 12 + 6n

Reorder the terms:
-3 + -9 + 9n + -3n = 12 + 6n

Combine like terms: -3 + -9 = -12
-12 + 9n + -3n = 12 + 6n

Combine like terms: 9n + -3n = 6n
-12 + 6n = 12 + 6n

Add '-6n' to each side of the equation.
-12 + 6n + -6n = 12 + 6n + -6n

Combine like terms: 6n + -6n = 0
-12 + 0 = 12 + 6n + -6n
-12 = 12 + 6n + -6n

Combine like terms: 6n + -6n = 0
-12 = 12 + 0
-12 = 12

Solving
-12 = 12

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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