-2(-8u+9)-6u=2(u-7)-6

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Solution for -2(-8u+9)-6u=2(u-7)-6 equation: 


Simplifying
-2(-8u + 9) + -6u = 2(u + -7) + -6

Reorder the terms:
-2(9 + -8u) + -6u = 2(u + -7) + -6
(9 * -2 + -8u * -2) + -6u = 2(u + -7) + -6
(-18 + 16u) + -6u = 2(u + -7) + -6

Combine like terms: 16u + -6u = 10u
-18 + 10u = 2(u + -7) + -6

Reorder the terms:
-18 + 10u = 2(-7 + u) + -6
-18 + 10u = (-7 * 2 + u * 2) + -6
-18 + 10u = (-14 + 2u) + -6

Reorder the terms:
-18 + 10u = -14 + -6 + 2u

Combine like terms: -14 + -6 = -20
-18 + 10u = -20 + 2u

Solving
-18 + 10u = -20 + 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.
-18 + 10u + -2u = -20 + 2u + -2u

Combine like terms: 10u + -2u = 8u
-18 + 8u = -20 + 2u + -2u

Combine like terms: 2u + -2u = 0
-18 + 8u = -20 + 0
-18 + 8u = -20

Add '18' to each side of the equation.
-18 + 18 + 8u = -20 + 18

Combine like terms: -18 + 18 = 0
0 + 8u = -20 + 18
8u = -20 + 18

Combine like terms: -20 + 18 = -2
8u = -2

Divide each side by '8'.
u = -0.25

Simplifying
u = -0.25

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