Explain whether 8t - 3y - 4t is equivalent to 7t +(-3t) - 3y.

4t - 3y

Step-by-step explanation:

8t - 3y - 4t

8t - 4t - 3y

4t - 3y

7t +(-3t) - 3y

7t - 3t - 3y

4t - 3y

These expressions are equivalent, as both of them simplify down to (4t - 3y).

Step-by-step explanation:

In order to determine if (8t - 3y - 4t) is equivalent to (7t + (-3t) - 3y) one must simplify each equation. Combine like terms by performing the operations between the coefficients of the variables.

8t - 3y - 4t

= 4t - 3y

7t + (-3t) - 3y

= 7t - 3t - 3y

= 4t - 3y

Hello! I believe the answer is he will sell 28 pairs of socks!
        Here's how I got it :
                    1.) Make a fraction out of what you know so far ! So we know that for every 8 pairs of shoes he sells, he sells 4 pairs of socks. We can put this as a fraction this way :  4/8 , with socks being the numerator and shoes being the denominator.
                     2.) Since we're trying to figure out how many pairs of socks he sold, and we know he sold 56 pairs of shoes, we can set the next fraction up like this :          x / 56, with x being the # of pairs of socks we don't know, and 56 being the # of pairs of shoes we do know!     
                     3.) Now, we can find how many pairs of socks he sold!
                          4/8 -->  x/56  . does that make sense?
                            56/8 is 7, so now multiply 4 by 7! That equals 28, which is your answer!