(1/3)y2 +12 =15 subtract 12 from both sides, we get (1/3)y2 +12-12 =15-12 1/3) y2 =3 multiply both sides by 3, y2 =9 taking square root, y = ±3

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Meena S. answered • 07/28/17

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(1/3)y² +12 =15

subtract 12 from both sides, we get

(1/3)y² +12-12 =15-12

1/3) y² =3

multiply both sides by 3,

y² =9

taking square root,

y = ±3

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Variable with exponent