3u+(-4)=-13

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Solution for 3u+(-4)=-13 equation: 


Simplifying
3u + (-4) = -13
3u + -4 = -13

Reorder the terms:
-4 + 3u = -13

Solving
-4 + 3u = -13

Solving for variable 'u'.

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

Add '4' to each side of the equation.
-4 + 4 + 3u = -13 + 4

Combine like terms: -4 + 4 = 0
0 + 3u = -13 + 4
3u = -13 + 4

Combine like terms: -13 + 4 = -9
3u = -9

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

Simplifying
u = -3

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