9(u+1)=2u-19

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Solution for 9(u+1)=2u-19 equation:


Simplifying
9(u + 1) = 2u + -19

Reorder the terms:
9(1 + u) = 2u + -19
(1 * 9 + u * 9) = 2u + -19
(9 + 9u) = 2u + -19

Reorder the terms:
9 + 9u = -19 + 2u

Solving
9 + 9u = -19 + 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.
9 + 9u + -2u = -19 + 2u + -2u

Combine like terms: 9u + -2u = 7u
9 + 7u = -19 + 2u + -2u

Combine like terms: 2u + -2u = 0
9 + 7u = -19 + 0
9 + 7u = -19

Add '-9' to each side of the equation.
9 + -9 + 7u = -19 + -9

Combine like terms: 9 + -9 = 0
0 + 7u = -19 + -9
7u = -19 + -9

Combine like terms: -19 + -9 = -28
7u = -28

Divide each side by '7'.
u = -4

Simplifying
u = -4

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