30x-5-9x=18+21x-23

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Solution for 30x-5-9x=18+21x-23 equation: 


Simplifying
30x + -5 + -9x = 18 + 21x + -23

Reorder the terms:
-5 + 30x + -9x = 18 + 21x + -23

Combine like terms: 30x + -9x = 21x
-5 + 21x = 18 + 21x + -23

Reorder the terms:
-5 + 21x = 18 + -23 + 21x

Combine like terms: 18 + -23 = -5
-5 + 21x = -5 + 21x

Add '5' to each side of the equation.
-5 + 5 + 21x = -5 + 5 + 21x

Combine like terms: -5 + 5 = 0
0 + 21x = -5 + 5 + 21x
21x = -5 + 5 + 21x

Combine like terms: -5 + 5 = 0
21x = 0 + 21x
21x = 21x

Add '-21x' to each side of the equation.
21x + -21x = 21x + -21x

Combine like terms: 21x + -21x = 0
0 = 21x + -21x

Combine like terms: 21x + -21x = 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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