34=7-3u

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Solution for 34=7-3u equation:


Simplifying
34 = 7 + -3u

Solving
34 = 7 + -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.
34 + 3u = 7 + -3u + 3u

Combine like terms: -3u + 3u = 0
34 + 3u = 7 + 0
34 + 3u = 7

Add '-34' to each side of the equation.
34 + -34 + 3u = 7 + -34

Combine like terms: 34 + -34 = 0
0 + 3u = 7 + -34
3u = 7 + -34

Combine like terms: 7 + -34 = -27
3u = -27

Divide each side by '3'.
u = -9

Simplifying
u = -9

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