lizzybraham lizzybraham

15-05-2020
Mathematics

contestada

What is the value of x in the equation 8+4 = 2(x-1)?
a. 5
b. 11/2
c. 13/2
d. 7

Respuesta :

sydneydenton0 sydneydenton0

15-05-2020

Answer:7

Step-by-step explanation:

8+4=12

2(x-1)= 2x-2

12=2x-2

now add 2 to both sides

14=2x

And divide both sides by 2

7=x

Answer Link

Otras preguntas

Four families equally share 5 pies. how much pie will each family receive?

which of the following was a belief held by progressive reformers

Write a number between 50 and 80 that has exactly 4 factors one of which is 2.

IN A CLASS OF 100 57 STUDENTS RECEIVED A GRADE A WHAT FRACTION DID NOT RECEIVE AN A

3. Sarah, who has a mass of 55 kg, is riding in a car at 20 m/s. She sees a cat crossing the street and slams on the brakes! Her seatbelt stops her from flying

What are the coordinates of the midpoint CD where C (2, -6) and D (4,10)? (A line is over top the CD) A:(3,2) B:(3,-8) C: (2,3) D:(-1,2)

Which of the following best describes the expression 12(x + 3)? A) The product of a constant factor 12 and a 2-term factor x + 3 B)The sum of a constant factor

450 is 75 of what number

Clean, safe water and improved sanitation have contributed to which of the follow? a. the control of infectious disease. b.better government social control.

Which landmark supreme court decision first announced the court’s power of judicial review?