6=7-u

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Solution for 6=7-u equation:


Simplifying
6 = 7 + -1u

Solving
6 = 7 + -1u

Solving for variable 'u'.

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

Add 'u' to each side of the equation.
6 + u = 7 + -1u + u

Combine like terms: -1u + u = 0
6 + u = 7 + 0
6 + u = 7

Add '-6' to each side of the equation.
6 + -6 + u = 7 + -6

Combine like terms: 6 + -6 = 0
0 + u = 7 + -6
u = 7 + -6

Combine like terms: 7 + -6 = 1
u = 1

Simplifying
u = 1

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