20=8U+10-4U

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Solution for 20=8U+10-4U equation: 


Simplifying
20 = 8U + 10 + -4U

Reorder the terms:
20 = 10 + 8U + -4U

Combine like terms: 8U + -4U = 4U
20 = 10 + 4U

Solving
20 = 10 + 4U

Solving for variable 'U'.

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

Add '-4U' to each side of the equation.
20 + -4U = 10 + 4U + -4U

Combine like terms: 4U + -4U = 0
20 + -4U = 10 + 0
20 + -4U = 10

Add '-20' to each side of the equation.
20 + -20 + -4U = 10 + -20

Combine like terms: 20 + -20 = 0
0 + -4U = 10 + -20
-4U = 10 + -20

Combine like terms: 10 + -20 = -10
-4U = -10

Divide each side by '-4'.
U = 2.5

Simplifying
U = 2.5

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