shanchavenuf shanchavenuf

17-09-2016
Mathematics

contestada

solve for x: |2x 6| − 4 = 20

Respuesta :

kellyytrann29 kellyytrann29

17-09-2016

| 2x + 6| - 4 = 20 has two absolute values
solution 1
2x + 6 - 4 = 20 --> 2x + 2 = 20 --> 2x = 18 --> x = 9
2 (9) + 6 - 4 = 24- 4 = 20 ✔
solution 2
2x - 6 - 4 = 20 --> 2x - 10 = 20 --> 2x = 10 --> x = 5
2 (5) - 6 - 4 = 10- 10 = 0

Answer Link

Otras preguntas

Which of the following statements is not true about the painting above? a. The image is a self-portrait of the artist, beside his wife. b. The title of this a

If a metric ton has 1,000 kilograms how much does the ship weigh in kilograms

Which of the following is a key component of incident management to prevent emergencies from becoming crises? a. Crisis intervention b. Emergency planning c.

Joe Sullivan invests $9,000 at the end of each year for 20 years. The rate of interest Joe gets is 8% annually. Using the tables in the Business Math Handbook t

In how many ways can 10001 be written as the sum of two primes? a.0 b.1 c.2 d.3 e.4

Which one of the following statements about sulfuric acid is correct

What is one possible message that one cell might send to another cell

What ion is most closely associated with bases?

Josh can't control his compulsion to overeat, and has gained a lot of weight. What does he suffer from?

At a movie theater, at least 60% of the seats must be full to recover operating costs. On Thursday, 146 out of 200 seats are occupied. How many seats are UNoccu