alexmartini234 alexmartini234

04-05-2017
Mathematics

contestada

Solve the equation using square roots. Select the solution(s).
(2x−1)²=81

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HammyTheKid HammyTheKid

04-05-2017

first you find the square root of both sides
2x-1 = 9
then add 1 to both sides
2x=10
then divide both sides by 2
x=5

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