-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 = 15
-5u = 15

Divide each side by '-5'.
u = -3

Simplifying
u = -3

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