105u-5=9u-21

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Solution for 105u-5=9u-21 equation:


Simplifying
105u + -5 = 9u + -21

Reorder the terms:
-5 + 105u = 9u + -21

Reorder the terms:
-5 + 105u = -21 + 9u

Solving
-5 + 105u = -21 + 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.
-5 + 105u + -9u = -21 + 9u + -9u

Combine like terms: 105u + -9u = 96u
-5 + 96u = -21 + 9u + -9u

Combine like terms: 9u + -9u = 0
-5 + 96u = -21 + 0
-5 + 96u = -21

Add '5' to each side of the equation.
-5 + 5 + 96u = -21 + 5

Combine like terms: -5 + 5 = 0
0 + 96u = -21 + 5
96u = -21 + 5

Combine like terms: -21 + 5 = -16
96u = -16

Divide each side by '96'.
u = -0.1666666667

Simplifying
u = -0.1666666667

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