0.21+-2y+2y=0.21

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Solution for 0.21+-2y+2y=0.21 equation: 


Simplifying
0.21 + -2y + 2y = 0.21

Combine like terms: -2y + 2y = 0
0.21 + 0 = 0.21
0.21 = 0.21

Add '-0.21' to each side of the equation.
0.21 + -0.21 = 0.21 + -0.21

Combine like terms: 0.21 + -0.21 = 0.00
0.00 = 0.21 + -0.21

Combine like terms: 0.21 + -0.21 = 0.00
0.00 = 0.00

Solving
0.00 = 0.00

Couldn't find a variable to solve for.

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

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