1-10u=8-9u

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Solution for 1-10u=8-9u equation:


Simplifying
1 + -10u = 8 + -9u

Solving
1 + -10u = 8 + -9u

Solving for variable 'u'.

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

Add '9u' to each side of the equation.
1 + -10u + 9u = 8 + -9u + 9u

Combine like terms: -10u + 9u = -1u
1 + -1u = 8 + -9u + 9u

Combine like terms: -9u + 9u = 0
1 + -1u = 8 + 0
1 + -1u = 8

Add '-1' to each side of the equation.
1 + -1 + -1u = 8 + -1

Combine like terms: 1 + -1 = 0
0 + -1u = 8 + -1
-1u = 8 + -1

Combine like terms: 8 + -1 = 7
-1u = 7

Divide each side by '-1'.
u = -7

Simplifying
u = -7

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