JL081403 JL081403

25-08-2016
Mathematics

contestada

4|2x+7|=16
x=? and x=?

Respuesta :

texaschic101 texaschic101

25-08-2016

4 | 2x + 7 | = 16...divide both sides by 4
| 2x + 7 | = 16/4
| 2x + 7 | = 4

2x + 7 = 4 -(2x + 7) = 4
2x = 4 - 7 -2x - 7 = 4
2x = -3 -2x = 4 + 7
x = -3/2 -2x = 11
x = -11/2

so x = -3/2 and x = -11/2

Answer Link

Otras preguntas

One of the most common weaknesses in scientific writing is drawing the wrong conclusion based on the evidence offered. true false

The European drive to enter the world economy of the 1500s led to a frenzied effort to procure

Read the excerpt below from “At the Hearth” by Laura Esquivel and answer the question that follows. And so, I was mortified to realize that my daughter wasn’t p

EXTREME HURRY!! State the ionization constant expression Ka for lactic acid. Given: pKa = 3.85 and Ka = 1.4*10^-4 mol dm^-3 What is pKa? How does it differ fr

Is tan(x) is a linear function ?

To decorate the cake, Sara uses 4/9 of a tube of icing around the edge of the cake and 2/9 of the tub to write the birthday girls name. What fraction of icing

There are 50 of us. We embody the arts and inspire the creation process. Who are we? A. Muses B. Persephone and Demeter C. Eurydice and Orpheus

During a game, high school students sell snacks. They sell cold sandwiches for $2.50, hot dogs for $1.50, and hamburgers for $2. By the end of the day, the stud

Stephanie has 6.98 lb of granola to divide into small bags. She will put 0.4 lb of granola in each bag. How many bags will she fill? 17.20 17.45 172.00 174.50

Which of the following is an environmental threat and a natural process that helped to shape the caribbean? a. hurricanes c. tornados b. typhoons d. volcano