-3.1+x=-21

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Solution for -3.1+x=-21 equation: 


Simplifying
-3.1 + x = -21

Solving
-3.1 + x = -21

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3.1' to each side of the equation.
-3.1 + 3.1 + x = -21 + 3.1

Combine like terms: -3.1 + 3.1 = 0.0
0.0 + x = -21 + 3.1
x = -21 + 3.1

Combine like terms: -21 + 3.1 = -17.9
x = -17.9

Simplifying
x = -17.9

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