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OpenStudy (anonymous):
If y varies directly with x and y = -7 when x = -1, find x when y = -84. A. 84 B. 7 C. -12
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OpenStudy (experimentx):
-12
OpenStudy (hoblos):
y varies directly with x----->y=kx -7=k(-1) then k=7 so y=7x -84=7x ---> x= -12
OpenStudy (anonymous):
Thank you!
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