3u-1=2(4-u)-4

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Solution for 3u-1=2(4-u)-4 equation:


Simplifying
3u + -1 = 2(4 + -1u) + -4

Reorder the terms:
-1 + 3u = 2(4 + -1u) + -4
-1 + 3u = (4 * 2 + -1u * 2) + -4
-1 + 3u = (8 + -2u) + -4

Reorder the terms:
-1 + 3u = 8 + -4 + -2u

Combine like terms: 8 + -4 = 4
-1 + 3u = 4 + -2u

Solving
-1 + 3u = 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.
-1 + 3u + 2u = 4 + -2u + 2u

Combine like terms: 3u + 2u = 5u
-1 + 5u = 4 + -2u + 2u

Combine like terms: -2u + 2u = 0
-1 + 5u = 4 + 0
-1 + 5u = 4

Add '1' to each side of the equation.
-1 + 1 + 5u = 4 + 1

Combine like terms: -1 + 1 = 0
0 + 5u = 4 + 1
5u = 4 + 1

Combine like terms: 4 + 1 = 5
5u = 5

Divide each side by '5'.
u = 1

Simplifying
u = 1

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