leron4429 leron4429

11-06-2017
Mathematics

contestada

What is the solution of
I3x + 5I = 5x + 2?
a. X = -7/8
b. X = 3/2
c. X = -7/8 or x = 3/2
d. X = 19/8 or x = 19/2

Respuesta :

Ninayzl Ninayzl

11-06-2017

answer is b
there are 2 cases
1: if x is less than -5/3
then you have -3x-5=5x+2
solve and get x=-7/8 which is invalid

2: if x is more than -5/3
then you have 3x+5=5x+2
solve and get x=3/2 which is valid

so b is the answee

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