u-(-3)=-10

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Solution for u-(-3)=-10 equation: 


Simplifying
u + -1(-3) = -10

Multiply -1 * -3
u + 3 = -10

Reorder the terms:
3 + u = -10

Solving
3 + u = -10

Solving for variable 'u'.

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

Add '-3' to each side of the equation.
3 + -3 + u = -10 + -3

Combine like terms: 3 + -3 = 0
0 + u = -10 + -3
u = -10 + -3

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

Simplifying
u = -13

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