highschoolstudent highschoolstudent

23-11-2016
Mathematics

contestada

"Part A: Solve −np − 70 < 40 for n. Show your work."

"Part B: Solve 4w − 7k = 28 for k. Show your work."
i get confused with these types of questions . someone help !

Respuesta :

v1nce123 v1nce123

23-11-2016

-np - 70 < 40 -np < 40 + 70 -np < 110 -np/-p < 110/-p n < 110/-p 4w - 7k = 28 4w-4w-7k = 28 - 4w -7k = 28 - 4w -7k/-7 = 28-4w /-7 k = 28-4w/-7

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