-19=2u+9-6u

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Solution for -19=2u+9-6u equation:


Simplifying
-19 = 2u + 9 + -6u

Reorder the terms:
-19 = 9 + 2u + -6u

Combine like terms: 2u + -6u = -4u
-19 = 9 + -4u

Solving
-19 = 9 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
-19 + 4u = 9 + -4u + 4u

Combine like terms: -4u + 4u = 0
-19 + 4u = 9 + 0
-19 + 4u = 9

Add '19' to each side of the equation.
-19 + 19 + 4u = 9 + 19

Combine like terms: -19 + 19 = 0
0 + 4u = 9 + 19
4u = 9 + 19

Combine like terms: 9 + 19 = 28
4u = 28

Divide each side by '4'.
u = 7

Simplifying
u = 7

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