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

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


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

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

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

Combine like terms: 8 + -1 = 7
-3 + 3u = 7 + -2u

Solving
-3 + 3u = 7 + -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.
-3 + 3u + 2u = 7 + -2u + 2u

Combine like terms: 3u + 2u = 5u
-3 + 5u = 7 + -2u + 2u

Combine like terms: -2u + 2u = 0
-3 + 5u = 7 + 0
-3 + 5u = 7

Add '3' to each side of the equation.
-3 + 3 + 5u = 7 + 3

Combine like terms: -3 + 3 = 0
0 + 5u = 7 + 3
5u = 7 + 3

Combine like terms: 7 + 3 = 10
5u = 10

Divide each side by '5'.
u = 2

Simplifying
u = 2

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