-2(-3u+8)-9u=7(u-4)-4

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Solution for -2(-3u+8)-9u=7(u-4)-4 equation:


Simplifying
-2(-3u + 8) + -9u = 7(u + -4) + -4

Reorder the terms:
-2(8 + -3u) + -9u = 7(u + -4) + -4
(8 * -2 + -3u * -2) + -9u = 7(u + -4) + -4
(-16 + 6u) + -9u = 7(u + -4) + -4

Combine like terms: 6u + -9u = -3u
-16 + -3u = 7(u + -4) + -4

Reorder the terms:
-16 + -3u = 7(-4 + u) + -4
-16 + -3u = (-4 * 7 + u * 7) + -4
-16 + -3u = (-28 + 7u) + -4

Reorder the terms:
-16 + -3u = -28 + -4 + 7u

Combine like terms: -28 + -4 = -32
-16 + -3u = -32 + 7u

Solving
-16 + -3u = -32 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
-16 + -3u + -7u = -32 + 7u + -7u

Combine like terms: -3u + -7u = -10u
-16 + -10u = -32 + 7u + -7u

Combine like terms: 7u + -7u = 0
-16 + -10u = -32 + 0
-16 + -10u = -32

Add '16' to each side of the equation.
-16 + 16 + -10u = -32 + 16

Combine like terms: -16 + 16 = 0
0 + -10u = -32 + 16
-10u = -32 + 16

Combine like terms: -32 + 16 = -16
-10u = -16

Divide each side by '-10'.
u = 1.6

Simplifying
u = 1.6

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