13=3+5u

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Solution for 13=3+5u equation:


Simplifying
13 = 3 + 5u

Solving
13 = 3 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
13 + -5u = 3 + 5u + -5u

Combine like terms: 5u + -5u = 0
13 + -5u = 3 + 0
13 + -5u = 3

Add '-13' to each side of the equation.
13 + -13 + -5u = 3 + -13

Combine like terms: 13 + -13 = 0
0 + -5u = 3 + -13
-5u = 3 + -13

Combine like terms: 3 + -13 = -10
-5u = -10

Divide each side by '-5'.
u = 2

Simplifying
u = 2

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