-2+0.9+0.5(-2)=-2.1

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Solution for -2+0.9+0.5(-2)=-2.1 equation: 


Simplifying
-2 + 0.9 + 0.5(-2) = -2.1

Multiply 0.5 * -2
-2 + 0.9 + -1 = -2.1

Combine like terms: -2 + 0.9 = -1.1
-1.1 + -1 = -2.1

Combine like terms: -1.1 + -1 = -2.1
-2.1 = -2.1

Add '2.1' to each side of the equation.
-2.1 + 2.1 = -2.1 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 = -2.1 + 2.1

Combine like terms: -2.1 + 2.1 = 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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