Question

If
$a \div b = 7$
then
$(a + b) \div (a - b) =$
​

Answer 1

a÷b=7>>>a/b=7

a=7b

a+b=7b+b=8b

a-b=7b-b=6b

(a+b)÷(a-b)=8b÷6b

=8/6=4/3 or 1.33...

Answer 2

Step-by-step explanation:

Your kidneys remove wastes and extra fluid from your body. Your kidneys also remove acid that is produced by the cells of your body and maintain a healthy balance of water, salts, and minerals—such as sodium, calcium, phosphorus, and potassium—in your blood.