-15+4u=-3

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Solution for -15+4u=-3 equation: 


Simplifying
-15 + 4u = -3

Solving
-15 + 4u = -3

Solving for variable 'u'.

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

Add '15' to each side of the equation.
-15 + 15 + 4u = -3 + 15

Combine like terms: -15 + 15 = 0
0 + 4u = -3 + 15
4u = -3 + 15

Combine like terms: -3 + 15 = 12
4u = 12

Divide each side by '4'.
u = 3

Simplifying
u = 3

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