-20=2(u-8)-6u

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Solution for -20=2(u-8)-6u equation:


Simplifying
-20 = 2(u + -8) + -6u

Reorder the terms:
-20 = 2(-8 + u) + -6u
-20 = (-8 * 2 + u * 2) + -6u
-20 = (-16 + 2u) + -6u

Combine like terms: 2u + -6u = -4u
-20 = -16 + -4u

Solving
-20 = -16 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
-20 + 4u = -16 + -4u + 4u

Combine like terms: -4u + 4u = 0
-20 + 4u = -16 + 0
-20 + 4u = -16

Add '20' to each side of the equation.
-20 + 20 + 4u = -16 + 20

Combine like terms: -20 + 20 = 0
0 + 4u = -16 + 20
4u = -16 + 20

Combine like terms: -16 + 20 = 4
4u = 4

Divide each side by '4'.
u = 1

Simplifying
u = 1

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