2u+20=8u-8-2

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Solution for 2u+20=8u-8-2 equation:


Simplifying
2u + 20 = 8u + -8 + -2

Reorder the terms:
20 + 2u = 8u + -8 + -2

Reorder the terms:
20 + 2u = -8 + -2 + 8u

Combine like terms: -8 + -2 = -10
20 + 2u = -10 + 8u

Solving
20 + 2u = -10 + 8u

Solving for variable 'u'.

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

Add '-8u' to each side of the equation.
20 + 2u + -8u = -10 + 8u + -8u

Combine like terms: 2u + -8u = -6u
20 + -6u = -10 + 8u + -8u

Combine like terms: 8u + -8u = 0
20 + -6u = -10 + 0
20 + -6u = -10

Add '-20' to each side of the equation.
20 + -20 + -6u = -10 + -20

Combine like terms: 20 + -20 = 0
0 + -6u = -10 + -20
-6u = -10 + -20

Combine like terms: -10 + -20 = -30
-6u = -30

Divide each side by '-6'.
u = 5

Simplifying
u = 5

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