-9=2u+3

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Solution for -9=2u+3 equation:


Simplifying
-9 = 2u + 3

Reorder the terms:
-9 = 3 + 2u

Solving
-9 = 3 + 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 + -2u = 3 + 2u + -2u

Combine like terms: 2u + -2u = 0
-9 + -2u = 3 + 0
-9 + -2u = 3

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

Combine like terms: -9 + 9 = 0
0 + -2u = 3 + 9
-2u = 3 + 9

Combine like terms: 3 + 9 = 12
-2u = 12

Divide each side by '-2'.
u = -6

Simplifying
u = -6

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