x+3.4=20.91

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Solution for x+3.4=20.91 equation: 


Simplifying
x + 3.4 = 20.91

Reorder the terms:
3.4 + x = 20.91

Solving
3.4 + x = 20.91

Solving for variable 'x'.

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

Add '-3.4' to each side of the equation.
3.4 + -3.4 + x = 20.91 + -3.4

Combine like terms: 3.4 + -3.4 = 0.0
0.0 + x = 20.91 + -3.4
x = 20.91 + -3.4

Combine like terms: 20.91 + -3.4 = 17.51
x = 17.51

Simplifying
x = 17.51

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