x-1.8=2.1

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Solution for x-1.8=2.1 equation: 


Simplifying
x + -1.8 = 2.1

Reorder the terms:
-1.8 + x = 2.1

Solving
-1.8 + x = 2.1

Solving for variable 'x'.

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

Add '1.8' to each side of the equation.
-1.8 + 1.8 + x = 2.1 + 1.8

Combine like terms: -1.8 + 1.8 = 0.0
0.0 + x = 2.1 + 1.8
x = 2.1 + 1.8

Combine like terms: 2.1 + 1.8 = 3.9
x = 3.9

Simplifying
x = 3.9

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