4.2x+8.1x+1.8x-2.1x=12x

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Solution for 4.2x+8.1x+1.8x-2.1x=12x equation: 


Simplifying
4.2x + 8.1x + 1.8x + -2.1x = 12x

Combine like terms: 4.2x + 8.1x = 12.3x
12.3x + 1.8x + -2.1x = 12x

Combine like terms: 12.3x + 1.8x = 14.1x
14.1x + -2.1x = 12x

Combine like terms: 14.1x + -2.1x = 12x
12x = 12x

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

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

Combine like terms: 12x + -12x = 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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