-25=8u

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Solution for -25=8u equation:


Simplifying
-25 = 8u

Solving
-25 = 8u

Solving for variable 'u'.

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

Add '-8u' to each side of the equation.
-25 + -8u = 8u + -8u

Combine like terms: 8u + -8u = 0
-25 + -8u = 0

Add '25' to each side of the equation.
-25 + 25 + -8u = 0 + 25

Combine like terms: -25 + 25 = 0
0 + -8u = 0 + 25
-8u = 0 + 25

Combine like terms: 0 + 25 = 25
-8u = 25

Divide each side by '-8'.
u = -3.125

Simplifying
u = -3.125

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