7u=3u+36

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Solution for 7u=3u+36 equation: 


Simplifying
7u = 3u + 36

Reorder the terms:
7u = 36 + 3u

Solving
7u = 36 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
7u + -3u = 36 + 3u + -3u

Combine like terms: 7u + -3u = 4u
4u = 36 + 3u + -3u

Combine like terms: 3u + -3u = 0
4u = 36 + 0
4u = 36

Divide each side by '4'.
u = 9

Simplifying
u = 9

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