9u-9=8u+3

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Solution for 9u-9=8u+3 equation:


Simplifying
9u + -9 = 8u + 3

Reorder the terms:
-9 + 9u = 8u + 3

Reorder the terms:
-9 + 9u = 3 + 8u

Solving
-9 + 9u = 3 + 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.
-9 + 9u + -8u = 3 + 8u + -8u

Combine like terms: 9u + -8u = 1u
-9 + 1u = 3 + 8u + -8u

Combine like terms: 8u + -8u = 0
-9 + 1u = 3 + 0
-9 + 1u = 3

Add '9' to each side of the equation.
-9 + 9 + 1u = 3 + 9

Combine like terms: -9 + 9 = 0
0 + 1u = 3 + 9
1u = 3 + 9

Combine like terms: 3 + 9 = 12
1u = 12

Divide each side by '1'.
u = 12

Simplifying
u = 12

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