54-3(4n+15)=9-12n

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Solution for 54-3(4n+15)=9-12n equation: 


Simplifying
54 + -3(4n + 15) = 9 + -12n

Reorder the terms:
54 + -3(15 + 4n) = 9 + -12n
54 + (15 * -3 + 4n * -3) = 9 + -12n
54 + (-45 + -12n) = 9 + -12n

Combine like terms: 54 + -45 = 9
9 + -12n = 9 + -12n

Add '-9' to each side of the equation.
9 + -9 + -12n = 9 + -9 + -12n

Combine like terms: 9 + -9 = 0
0 + -12n = 9 + -9 + -12n
-12n = 9 + -9 + -12n

Combine like terms: 9 + -9 = 0
-12n = 0 + -12n
-12n = -12n

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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