prestonacontreras prestonacontreras

15-12-2021
Mathematics

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PLZ HELP

Solve the absolute value equation.
Check for extraneous solutions:The absolute value of (three x plus five) equals twelve x plus 8

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nathanielajayi646 nathanielajayi646

15-12-2021

Answer:

x = (13/9), -(3/9)

Step-by-step explanation:

|3x + 5| = 12x + 8

Since the equation is in absolutes we have

3x - 12x + 5 = 8

.: 5 - 9x = 8

-8 = 5 - 9x = 8

Remove 5 from both sides

-8 - 5 = -9x = 8 - 5

-13 = -9x = 3

x = (13/9), -(3/9)

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