2u+8u=-2-18

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Solution for 2u+8u=-2-18 equation: 


Simplifying
2u + 8u = -2 + -18

Combine like terms: 2u + 8u = 10u
10u = -2 + -18

Combine like terms: -2 + -18 = -20
10u = -20

Solving
10u = -20

Solving for variable 'u'.

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

Divide each side by '10'.
u = -2

Simplifying
u = -2

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