5=u+7

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Solution for 5=u+7 equation:


Simplifying
5 = u + 7

Reorder the terms:
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 = 2
-1u = 2

Divide each side by '-1'.
u = -2

Simplifying
u = -2

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