esssiiieee
esssiiieee esssiiieee
  • 17-08-2017
  • Mathematics
contestada

Absolute value equation.

8|x + 7| - 3= 5

Please show show how to do the problem.

Respuesta :

kphung76127
kphung76127 kphung76127
  • 17-08-2017
8|x+7|-3=5

Add 3 to both sides
8|x+7|=8

Divide both sides by 8
|x+7|=1

Rewrite absolute value equation as follows:
x+7=1
x+7=-1

Solve for both
x+7=1
x=-6

x+7=-1
x=-8

Final answer: x=-8, x=-6
Answer Link

Otras preguntas

–5(5 – 3x) = -130 It says solve the equation
Mira los dibujos y describe lo que esta pasando. Usa los verbos de la lists
What do the eras of the geologic time scale represent?
Which statement is true about the US Constitution? A. It establishes a federal government with unlimited power B. It forbids the basic principles of government
can someone tell me how Homer uses intervention of gods and goddesses as a means of epic plot development.
the difference of twice a number (k) and 8 is 12​
1. When did the Persian Empire take control of the Middle East? 2. Identify the three places that Cyrus the Great conquered (no reference on work) 3. Explain wh
Why has the poet compared imagination to a soaring bird
Do you think there are ways to regulate behavior without laws? What are they (example-informal rules within your family,generally accepted norms adopted by inst
Excel Corporation's financial statements for last month show a $10,000 decrease in cash, a $7,000 increase in notes payable, and a $17,000 increase in equipment