Solve for u 2u-u-1=4

$2 u - u - 1 = 4$

Step 1

Subtract $u$ from $2 u$ .

$u - 1 = 4$

Step 2

Move all terms not containing $u$ to the right side of the equation.

Add $1$ to both sides of the equation.

$u = 4 + 1$

Add $4$ and $1$ .

$u = 5$

$u = 5$

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