9u-1=8u-5

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Solution for 9u-1=8u-5 equation:


Simplifying
9u + -1 = 8u + -5

Reorder the terms:
-1 + 9u = 8u + -5

Reorder the terms:
-1 + 9u = -5 + 8u

Solving
-1 + 9u = -5 + 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.
-1 + 9u + -8u = -5 + 8u + -8u

Combine like terms: 9u + -8u = 1u
-1 + 1u = -5 + 8u + -8u

Combine like terms: 8u + -8u = 0
-1 + 1u = -5 + 0
-1 + 1u = -5

Add '1' to each side of the equation.
-1 + 1 + 1u = -5 + 1

Combine like terms: -1 + 1 = 0
0 + 1u = -5 + 1
1u = -5 + 1

Combine like terms: -5 + 1 = -4
1u = -4

Divide each side by '1'.
u = -4

Simplifying
u = -4

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