Could you please check my answer?

Subtract: (6a+2b-5c)-(3a+2c)

My answer was: 3a+2b-7c

correct.

It's correct.

To check your answer for subtracting (6a+2b-5c) from (3a+2c), you need to simplify the expression by combining like terms.

First, distribute the negative sign inside the parentheses in the expression to get:

6a + 2b - 5c - 3a - 2c

Next, combine the like terms. The terms that have the same variables raised to the same powers are considered to be like terms. In this case, we have "a" terms, "b" terms, and "c" terms:

(6a - 3a) + 2b + (-5c - 2c)

Simplifying those terms, we get:

3a + 2b - 7c

So, the correct answer is indeed 3a + 2b - 7c. Well done!