-4=3(u-4)-5u

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Solution for -4=3(u-4)-5u equation:


Simplifying
-4 = 3(u + -4) + -5u

Reorder the terms:
-4 = 3(-4 + u) + -5u
-4 = (-4 * 3 + u * 3) + -5u
-4 = (-12 + 3u) + -5u

Combine like terms: 3u + -5u = -2u
-4 = -12 + -2u

Solving
-4 = -12 + -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.
-4 + 2u = -12 + -2u + 2u

Combine like terms: -2u + 2u = 0
-4 + 2u = -12 + 0
-4 + 2u = -12

Add '4' to each side of the equation.
-4 + 4 + 2u = -12 + 4

Combine like terms: -4 + 4 = 0
0 + 2u = -12 + 4
2u = -12 + 4

Combine like terms: -12 + 4 = -8
2u = -8

Divide each side by '2'.
u = -4

Simplifying
u = -4

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