What is the function of the kidneys and the bladder

The kidneys remove wastes and excess water from the blood to produce urine. Urine passes from the kidneys to the bladder via two narrow tubes called ureters. To discharge waste when the bladder is full, a person urinates through the urethra.

Explanation:

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

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