fathorse fathorse

20-03-2017
Mathematics

contestada

-|j|=-9
can someone please help me solve this equation

Respuesta :

apologiabiology apologiabiology

20-03-2017

diide both sides by -1
|j|=9
rememeber if |a|=b, then assume a=b and a=-b

so
j=9 and j=-9

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