-2(-8u+9)-7u=3(u-3)-6

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Solution for -2(-8u+9)-7u=3(u-3)-6 equation:


Simplifying
-2(-8u + 9) + -7u = 3(u + -3) + -6

Reorder the terms:
-2(9 + -8u) + -7u = 3(u + -3) + -6
(9 * -2 + -8u * -2) + -7u = 3(u + -3) + -6
(-18 + 16u) + -7u = 3(u + -3) + -6

Combine like terms: 16u + -7u = 9u
-18 + 9u = 3(u + -3) + -6

Reorder the terms:
-18 + 9u = 3(-3 + u) + -6
-18 + 9u = (-3 * 3 + u * 3) + -6
-18 + 9u = (-9 + 3u) + -6

Reorder the terms:
-18 + 9u = -9 + -6 + 3u

Combine like terms: -9 + -6 = -15
-18 + 9u = -15 + 3u

Solving
-18 + 9u = -15 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
-18 + 9u + -3u = -15 + 3u + -3u

Combine like terms: 9u + -3u = 6u
-18 + 6u = -15 + 3u + -3u

Combine like terms: 3u + -3u = 0
-18 + 6u = -15 + 0
-18 + 6u = -15

Add '18' to each side of the equation.
-18 + 18 + 6u = -15 + 18

Combine like terms: -18 + 18 = 0
0 + 6u = -15 + 18
6u = -15 + 18

Combine like terms: -15 + 18 = 3
6u = 3

Divide each side by '6'.
u = 0.5

Simplifying
u = 0.5

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