-2+3u=-23

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Solution for -2+3u=-23 equation: 


Simplifying
-2 + 3u = -23

Solving
-2 + 3u = -23

Solving for variable 'u'.

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

Add '2' to each side of the equation.
-2 + 2 + 3u = -23 + 2

Combine like terms: -2 + 2 = 0
0 + 3u = -23 + 2
3u = -23 + 2

Combine like terms: -23 + 2 = -21
3u = -21

Divide each side by '3'.
u = -7

Simplifying
u = -7

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