20=-5+5u

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Solution for 20=-5+5u equation:


Simplifying
20 = -5 + 5u

Solving
20 = -5 + 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.
20 + -5u = -5 + 5u + -5u

Combine like terms: 5u + -5u = 0
20 + -5u = -5 + 0
20 + -5u = -5

Add '-20' to each side of the equation.
20 + -20 + -5u = -5 + -20

Combine like terms: 20 + -20 = 0
0 + -5u = -5 + -20
-5u = -5 + -20

Combine like terms: -5 + -20 = -25
-5u = -25

Divide each side by '-5'.
u = 5

Simplifying
u = 5

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