8.3+x=12.1

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Solution for 8.3+x=12.1 equation: 


Simplifying
8.3 + x = 12.1

Solving
8.3 + x = 12.1

Solving for variable 'x'.

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

Add '-8.3' to each side of the equation.
8.3 + -8.3 + x = 12.1 + -8.3

Combine like terms: 8.3 + -8.3 = 0.0
0.0 + x = 12.1 + -8.3
x = 12.1 + -8.3

Combine like terms: 12.1 + -8.3 = 3.8
x = 3.8

Simplifying
x = 3.8

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