20j^2-87=-82

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20j^2-87=-82 solve for j

Guest Feb 18, 2015

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Best Answer

+808

+5

20j²- 87 = -82 Add 87 to both sides:

20j² = 5 Divide both sides by 20:

j² = 1/4 Take the square root of both sides:

j = 1/2

Tetration Feb 18, 2015

1⁺⁰ Answers

+808

+5

Best Answer

20j²- 87 = -82 Add 87 to both sides:

20j² = 5 Divide both sides by 20:

j² = 1/4 Take the square root of both sides:

j = 1/2

Tetration Feb 18, 2015

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