7u-31=4

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Solution for 7u-31=4 equation: 


Simplifying
7u + -31 = 4

Reorder the terms:
-31 + 7u = 4

Solving
-31 + 7u = 4

Solving for variable 'u'.

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

Add '31' to each side of the equation.
-31 + 31 + 7u = 4 + 31

Combine like terms: -31 + 31 = 0
0 + 7u = 4 + 31
7u = 4 + 31

Combine like terms: 4 + 31 = 35
7u = 35

Divide each side by '7'.
u = 5

Simplifying
u = 5

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