x+1.8=3

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Solution for x+1.8=3 equation: 


Simplifying
x + 1.8 = 3

Reorder the terms:
1.8 + x = 3

Solving
1.8 + x = 3

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 = 3 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 + x = 3 + -1.8
x = 3 + -1.8

Combine like terms: 3 + -1.8 = 1.2
x = 1.2

Simplifying
x = 1.2

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