Lilzac
Lilzac
26-04-2016
Mathematics
contestada
can I have some good help on this problem please
Respuesta :
apologiabiology
apologiabiology
26-04-2016
remember
when divide or multiply by negative, flip middle relation symbol (> < etc)
-5/-5=1
1 times z=z
therefor
-5z
>
15
divide both sides by -5 don't' forget to flip sign
1z
<
-3
z
<
-3
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