1-4u=-15

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Solution for 1-4u=-15 equation: 


Simplifying
1 + -4u = -15

Solving
1 + -4u = -15

Solving for variable 'u'.

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

Add '-1' to each side of the equation.
1 + -1 + -4u = -15 + -1

Combine like terms: 1 + -1 = 0
0 + -4u = -15 + -1
-4u = -15 + -1

Combine like terms: -15 + -1 = -16
-4u = -16

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

Simplifying
u = 4

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