2u+1=3

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Solution for 2u+1=3 equation: 


Simplifying
2u + 1 = 3

Reorder the terms:
1 + 2u = 3

Solving
1 + 2u = 3

Solving for variable 'u'.

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

Add '-1' to each side of the equation.
1 + -1 + 2u = 3 + -1

Combine like terms: 1 + -1 = 0
0 + 2u = 3 + -1
2u = 3 + -1

Combine like terms: 3 + -1 = 2
2u = 2

Divide each side by '2'.
u = 1

Simplifying
u = 1

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