jo9nnaP5iCharchann jo9nnaP5iCharchann

08-08-2016
Mathematics

Answered

assume n is an integer and solve for n.

|2n - 3| = 5

A{-4, -1}
B{1, 1}
C{-1, 4}
D{4, 4}

Verified Answer :

dalendrk dalendrk

17-08-2016

|2n - 3| = 5 ⇔ 2n - 3 = -5 or 2n - 3 = 5 |add 3 to both sides

2n = -2 or 2n = 8 |divide both sides by 2

n = -1 or n = 4

Answer: c. {-1; 4}

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