Question

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

Answer:

y=6

Step-by-step explanation:

3y^2 -20=160-2y^2

3(y^2)+2(y^2)=160+20

5(y^2)=180

(y^2)=(180/5)

(y^2)=36

taking square to that side then we get root

y=√(36)

y=6