-20.7+-10=-30.7

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Solution for -20.7+-10=-30.7 equation: 


Simplifying
-20.7 + -10 = -30.7

Combine like terms: -20.7 + -10 = -30.7
-30.7 = -30.7

Add '30.7' to each side of the equation.
-30.7 + 30.7 = -30.7 + 30.7

Combine like terms: -30.7 + 30.7 = 0.0
0.0 = -30.7 + 30.7

Combine like terms: -30.7 + 30.7 = 0.0
0.0 = 0.0

Solving
0.0 = 0.0

Couldn't find a variable to solve for.

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

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