01-03-2015
Mathematics

contestada

please explain what I am to do with this problem
1x= -1; x+5=4

Respuesta :

apologiabiology apologiabiology

01-03-2015

1x=-1
that means whererever you see x, you replace it with -1

x is a placeholder for an unknown number

so repolace it

-1+5=4
5-1=4
true

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