u+39+41=5u-6

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Solution for u+39+41=5u-6 equation:


Simplifying
u + 39 + 41 = 5u + -6

Reorder the terms:
39 + 41 + u = 5u + -6

Combine like terms: 39 + 41 = 80
80 + u = 5u + -6

Reorder the terms:
80 + u = -6 + 5u

Solving
80 + u = -6 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
80 + u + -5u = -6 + 5u + -5u

Combine like terms: u + -5u = -4u
80 + -4u = -6 + 5u + -5u

Combine like terms: 5u + -5u = 0
80 + -4u = -6 + 0
80 + -4u = -6

Add '-80' to each side of the equation.
80 + -80 + -4u = -6 + -80

Combine like terms: 80 + -80 = 0
0 + -4u = -6 + -80
-4u = -6 + -80

Combine like terms: -6 + -80 = -86
-4u = -86

Divide each side by '-4'.
u = 21.5

Simplifying
u = 21.5

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