-9u-3=-9-8u

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


Simplifying
-9u + -3 = -9 + -8u

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

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

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

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

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

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

Combine like terms: -9 + 3 = -6
-1u = -6

Divide each side by '-1'.
u = 6

Simplifying
u = 6

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