3=2u-3

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Solution for 3=2u-3 equation:


Simplifying
3 = 2u + -3

Reorder the terms:
3 = -3 + 2u

Solving
3 = -3 + 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 + -2u = -3 + 2u + -2u

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

Add '-3' to each side of the equation.
3 + -3 + -2u = -3 + -3

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

Combine like terms: -3 + -3 = -6
-2u = -6

Divide each side by '-2'.
u = 3

Simplifying
u = 3

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