-2(-7u+9)-2u=4(u-6)-8

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Solution for -2(-7u+9)-2u=4(u-6)-8 equation:


Simplifying
-2(-7u + 9) + -2u = 4(u + -6) + -8

Reorder the terms:
-2(9 + -7u) + -2u = 4(u + -6) + -8
(9 * -2 + -7u * -2) + -2u = 4(u + -6) + -8
(-18 + 14u) + -2u = 4(u + -6) + -8

Combine like terms: 14u + -2u = 12u
-18 + 12u = 4(u + -6) + -8

Reorder the terms:
-18 + 12u = 4(-6 + u) + -8
-18 + 12u = (-6 * 4 + u * 4) + -8
-18 + 12u = (-24 + 4u) + -8

Reorder the terms:
-18 + 12u = -24 + -8 + 4u

Combine like terms: -24 + -8 = -32
-18 + 12u = -32 + 4u

Solving
-18 + 12u = -32 + 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.
-18 + 12u + -4u = -32 + 4u + -4u

Combine like terms: 12u + -4u = 8u
-18 + 8u = -32 + 4u + -4u

Combine like terms: 4u + -4u = 0
-18 + 8u = -32 + 0
-18 + 8u = -32

Add '18' to each side of the equation.
-18 + 18 + 8u = -32 + 18

Combine like terms: -18 + 18 = 0
0 + 8u = -32 + 18
8u = -32 + 18

Combine like terms: -32 + 18 = -14
8u = -14

Divide each side by '8'.
u = -1.75

Simplifying
u = -1.75

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