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l(y^2) -2l=7 solve y?

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yjulzd6uaa profile image
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t21xno3laa profile image

assuming that you mean "the absolute value of y squared minus 2 is equal to 7"

y ^ 2 - 2 = 7

y ^ 2 = 7 + 2

y ^ 2 = 9

(i can't write the square root symbol, sorry)

y = 3