10u-3u=42

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Solution for 10u-3u=42 equation: 


Simplifying
10u + -3u = 42

Combine like terms: 10u + -3u = 7u
7u = 42

Solving
7u = 42

Solving for variable 'u'.

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

Divide each side by '7'.
u = 6

Simplifying
u = 6

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