2u+5=8

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Solution for 2u+5=8 equation: 


Simplifying
2u + 5 = 8

Reorder the terms:
5 + 2u = 8

Solving
5 + 2u = 8

Solving for variable 'u'.

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

Add '-5' to each side of the equation.
5 + -5 + 2u = 8 + -5

Combine like terms: 5 + -5 = 0
0 + 2u = 8 + -5
2u = 8 + -5

Combine like terms: 8 + -5 = 3
2u = 3

Divide each side by '2'.
u = 1.5

Simplifying
u = 1.5

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