5u+5=21

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Solution for 5u+5=21 equation: 


Simplifying
5u + 5 = 21

Reorder the terms:
5 + 5u = 21

Solving
5 + 5u = 21

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 + 5u = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 5u = 21 + -5
5u = 21 + -5

Combine like terms: 21 + -5 = 16
5u = 16

Divide each side by '5'.
u = 3.2

Simplifying
u = 3.2

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