-19u-(-15u)=4

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Solution for -19u-(-15u)=4 equation: 


Simplifying
-19u + -1(-15u) = 4

Remove parenthesis around (-15u)
-19u + -1 * -15u = 4

Multiply -1 * -15
-19u + 15u = 4

Combine like terms: -19u + 15u = -4u
-4u = 4

Solving
-4u = 4

Solving for variable 'u'.

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

Divide each side by '-4'.
u = -1

Simplifying
u = -1

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