What is the answer to x-(x-1)/2 =3 ?

The answer to x-(x-1)/2 =3 is x=5

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x-(x-1)/2 =3

x - \frac{x - 1}{2} = 3

x = 5

Solution steps

x - \frac{x - 1}{2} = 3

Multiply both sides by

2

2 x - (x - 1) = 6

Expand

2 x - (x - 1) : x + 1

x + 1 = 6

Move

1

to the right side

x = 5

8 + y = 30

\frac{5 d}{2} = 30

20 + 4 x - 3 + x = 2

- 2 - 8 (y + 6) = 8 (4 y - 2) - 7

- 6 (3 x + 2) = - 84 + 2 (- 6 - 2 x)