9u+3=91-2u

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Solution for 9u+3=91-2u equation:


Simplifying
9u + 3 = 91 + -2u

Reorder the terms:
3 + 9u = 91 + -2u

Solving
3 + 9u = 91 + -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
3 + 9u + 2u = 91 + -2u + 2u

Combine like terms: 9u + 2u = 11u
3 + 11u = 91 + -2u + 2u

Combine like terms: -2u + 2u = 0
3 + 11u = 91 + 0
3 + 11u = 91

Add '-3' to each side of the equation.
3 + -3 + 11u = 91 + -3

Combine like terms: 3 + -3 = 0
0 + 11u = 91 + -3
11u = 91 + -3

Combine like terms: 91 + -3 = 88
11u = 88

Divide each side by '11'.
u = 8

Simplifying
u = 8

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