4+2u=8

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Solution for 4+2u=8 equation: 


Simplifying
4 + 2u = 8

Solving
4 + 2u = 8

Solving for variable 'u'.

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

Add '-4' to each side of the equation.
4 + -4 + 2u = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 2u = 8 + -4
2u = 8 + -4

Combine like terms: 8 + -4 = 4
2u = 4

Divide each side by '2'.
u = 2

Simplifying
u = 2

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