**Can't solve it. Don't know how to write it.**

The answer is 3.

X=2X-3

X+3=2X

3=2X-X

3=X

**Can't solve it. Don't know how to write it.**

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The answer is 3.

X=2X-3

X+3=2X

3=2X-X

3=X

Number: n

Twice a number: 2n

Three Less: subtract 3 from 2n.

n = 2n - 3

2x - 3 = x;

x - 3 = 0;

x = 3.

x = 3. 3 times 2 is 6. 6 minus 3 is 3 therefore the answer is 3.

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