-2.1+u=3.5

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Solution for -2.1+u=3.5 equation: 


Simplifying
-2.1 + u = 3.5

Solving
-2.1 + u = 3.5

Solving for variable 'u'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + u = 3.5 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + u = 3.5 + 2.1
u = 3.5 + 2.1

Combine like terms: 3.5 + 2.1 = 5.6
u = 5.6

Simplifying
u = 5.6

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