5u+4+8u=43

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Solution for 5u+4+8u=43 equation: 


Simplifying
5u + 4 + 8u = 43

Reorder the terms:
4 + 5u + 8u = 43

Combine like terms: 5u + 8u = 13u
4 + 13u = 43

Solving
4 + 13u = 43

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 + 13u = 43 + -4

Combine like terms: 4 + -4 = 0
0 + 13u = 43 + -4
13u = 43 + -4

Combine like terms: 43 + -4 = 39
13u = 39

Divide each side by '13'.
u = 3

Simplifying
u = 3

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