55=4u-13

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Solution for 55=4u-13 equation:


Simplifying
55 = 4u + -13

Reorder the terms:
55 = -13 + 4u

Solving
55 = -13 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
55 + -4u = -13 + 4u + -4u

Combine like terms: 4u + -4u = 0
55 + -4u = -13 + 0
55 + -4u = -13

Add '-55' to each side of the equation.
55 + -55 + -4u = -13 + -55

Combine like terms: 55 + -55 = 0
0 + -4u = -13 + -55
-4u = -13 + -55

Combine like terms: -13 + -55 = -68
-4u = -68

Divide each side by '-4'.
u = 17

Simplifying
u = 17

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