5{3c-[d-2(c+d)]}

PLS ANSWER WILL MARK BRAINLIEST

25c+5d

Step-by-step explanation:

First, write out the equation as you have been given in the problem:

Next, distribute the -2 to the set of parenthesis containing "c+d" and combine any like terms that you can:

Then, distribute the "-"to the "-2c-d" in the brackets and combine and like terms that you can:

Finally, distribute the coefficient 5 to the terms inside the parenthesis:

Therefore, 25c+5d is you simplified answer to the problem.

its adding 5.5 each time

step-by-step explanation: