Ap9rima0Shella Ap9rima0Shella

27-12-2016
Mathematics

contestada

solve – 7 = √ 2x – 9. a. x = –1 b. x = 2 c. x = –5, 2 d. x = 1

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imaweirdasian2 imaweirdasian2

27-12-2016

-7=√2x -9
2=√2x
(2)²=(√2X)²
4=2x
x=2
so it's B

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