Answer:
1:5.that is the answer I will send solution later
7y-23+23x-16+8x-21
7y-23+31x-16-21
7y-23+31x-(-5)
7y−60+31x
total that play football = 40
30 of them play basket ball
the missing number is 40 - 30 = 10
Answer:

Step-by-step explanation:

Start by distributing the
into all of the terms in between the second parentheses.

Next, distribute the
into all of the terms in between the second parentheses.

For the sake of simpler interpretation, I separated the two above, but they are together:

Since the terms are already in descending order, we do not need to rearrange them.