-3(-1)=u

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Solution for -3(-1)=u equation:


Simplifying
-3(-1) = u

Multiply -3 * -1
3 = u

Solving
3 = u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
3 + -1u = u + -1u

Combine like terms: u + -1u = 0
3 + -1u = 0

Add '-3' to each side of the equation.
3 + -3 + -1u = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1u = 0 + -3
-1u = 0 + -3

Combine like terms: 0 + -3 = -3
-1u = -3

Divide each side by '-1'.
u = 3

Simplifying
u = 3

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