84=u+6

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Solution for 84=u+6 equation:


Simplifying
84 = u + 6

Reorder the terms:
84 = 6 + u

Solving
84 = 6 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
84 + -1u = 6 + u + -1u

Combine like terms: u + -1u = 0
84 + -1u = 6 + 0
84 + -1u = 6

Add '-84' to each side of the equation.
84 + -84 + -1u = 6 + -84

Combine like terms: 84 + -84 = 0
0 + -1u = 6 + -84
-1u = 6 + -84

Combine like terms: 6 + -84 = -78
-1u = -78

Divide each side by '-1'.
u = 78

Simplifying
u = 78

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