2u-4=2(4-u)-4

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Solution for 2u-4=2(4-u)-4 equation:


Simplifying
2u + -4 = 2(4 + -1u) + -4

Reorder the terms:
-4 + 2u = 2(4 + -1u) + -4
-4 + 2u = (4 * 2 + -1u * 2) + -4
-4 + 2u = (8 + -2u) + -4

Reorder the terms:
-4 + 2u = 8 + -4 + -2u

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

Solving
-4 + 2u = 4 + -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 + 2u = 4 + -2u + 2u

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

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

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

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

Combine like terms: 4 + 4 = 8
4u = 8

Divide each side by '4'.
u = 2

Simplifying
u = 2

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