4(5u+1)=84

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Solution for 4(5u+1)=84 equation: 


Simplifying
4(5u + 1) = 84

Reorder the terms:
4(1 + 5u) = 84
(1 * 4 + 5u * 4) = 84
(4 + 20u) = 84

Solving
4 + 20u = 84

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 + 20u = 84 + -4

Combine like terms: 4 + -4 = 0
0 + 20u = 84 + -4
20u = 84 + -4

Combine like terms: 84 + -4 = 80
20u = 80

Divide each side by '20'.
u = 4

Simplifying
u = 4

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