-2=2u-8

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Solution for -2=2u-8 equation:


Simplifying
-2 = 2u + -8

Reorder the terms:
-2 = -8 + 2u

Solving
-2 = -8 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
-2 + -2u = -8 + 2u + -2u

Combine like terms: 2u + -2u = 0
-2 + -2u = -8 + 0
-2 + -2u = -8

Add '2' to each side of the equation.
-2 + 2 + -2u = -8 + 2

Combine like terms: -2 + 2 = 0
0 + -2u = -8 + 2
-2u = -8 + 2

Combine like terms: -8 + 2 = -6
-2u = -6

Divide each side by '-2'.
u = 3

Simplifying
u = 3

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