Question

$3y ^{2} { - 20 = 160 - 2y}^{2}$
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Answer 1

Answer:

hope it will be a help u

thank you

Answer 2

Answer:

y = 6

Step-by-step explanation:

3y² - 20 = 160 - 2y²

5y²= 180

y²= 36

y= ±√36 = ±6