12-5u=-8-u

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Solution for 12-5u=-8-u equation:


Simplifying
12 + -5u = -8 + -1u

Solving
12 + -5u = -8 + -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.
12 + -5u + u = -8 + -1u + u

Combine like terms: -5u + u = -4u
12 + -4u = -8 + -1u + u

Combine like terms: -1u + u = 0
12 + -4u = -8 + 0
12 + -4u = -8

Add '-12' to each side of the equation.
12 + -12 + -4u = -8 + -12

Combine like terms: 12 + -12 = 0
0 + -4u = -8 + -12
-4u = -8 + -12

Combine like terms: -8 + -12 = -20
-4u = -20

Divide each side by '-4'.
u = 5

Simplifying
u = 5

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