-10=-3-u

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Solution for -10=-3-u equation:


Simplifying
-10 = -3 + -1u

Solving
-10 = -3 + -1u

Solving for variable 'u'.

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

Add 'u' to each side of the equation.
-10 + u = -3 + -1u + u

Combine like terms: -1u + u = 0
-10 + u = -3 + 0
-10 + u = -3

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

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

Combine like terms: -3 + 10 = 7
u = 7

Simplifying
u = 7

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