Simplify:

(2a+1)-(4a+2)

(2a+1)-(4a+2)

-2a -1

1/2a

To simplify the expression (2a + 1) - (4a + 2), you need to remove the parentheses and combine like terms.

First, distribute the negative sign to the terms inside the second set of parentheses:
(2a + 1) - (4a + 2) = 2a + 1 - 4a - 2

Next, combine the like terms. In this case, the like terms are the terms with the same variable, which is 'a':
(2a + 1) - (4a + 2) = (2a - 4a) + (1 - 2)

Simplifying further:
2a - 4a = -2a
1 - 2 = -1

Putting it all together:
(2a + 1) - (4a + 2) = -2a - 1

So, the simplified expression is -2a - 1.