-5=7+u

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Solution for -5=7+u equation:


Simplifying
-5 = 7 + u

Solving
-5 = 7 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
-5 + -1u = 7 + u + -1u

Combine like terms: u + -1u = 0
-5 + -1u = 7 + 0
-5 + -1u = 7

Add '5' to each side of the equation.
-5 + 5 + -1u = 7 + 5

Combine like terms: -5 + 5 = 0
0 + -1u = 7 + 5
-1u = 7 + 5

Combine like terms: 7 + 5 = 12
-1u = 12

Divide each side by '-1'.
u = -12

Simplifying
u = -12

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