1-9=8u

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Solution for 1-9=8u equation:


Simplifying
1 + -9 = 8u

Combine like terms: 1 + -9 = -8
-8 = 8u

Solving
-8 = 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.
-8 + -8u = 8u + -8u

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

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

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

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

Divide each side by '-8'.
u = -1

Simplifying
u = -1

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