3u+8=-13

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Solution for 3u+8=-13 equation: 


Simplifying
3u + 8 = -13

Reorder the terms:
8 + 3u = -13

Solving
8 + 3u = -13

Solving for variable 'u'.

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

Add '-8' to each side of the equation.
8 + -8 + 3u = -13 + -8

Combine like terms: 8 + -8 = 0
0 + 3u = -13 + -8
3u = -13 + -8

Combine like terms: -13 + -8 = -21
3u = -21

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

Simplifying
u = -7

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