JuliaAndJules JuliaAndJules
  • 02-12-2016
  • Mathematics
contestada

What is the number that represents X in 12x + 5 = 8x + 21?

Respuesta :

Аноним Аноним
  • 02-12-2016
I hope this helps you



12x-8x=21-5


4x=16


x=4
Answer Link
goldenfxndoms
goldenfxndoms goldenfxndoms
  • 02-12-2016
X is equal to 4 because:
-
Step 1: 12*4+5
Step 2: 48+5=53
This is the answer for the first equation, next, you find the answer to the next equation.
Step 3: 8*4+21
Step 4: 32+21=53
-
53 is equal to 53, therefore x=4.
Answer Link

Otras preguntas

(x3 + 1) is divided by (x2 – x + 1)?
WORTH 34 POINTS! PLEASE HELP ASAP! Would you describe the association between the age of the car and its resale value as exhibiting a linear association, non-li
Which school professional is most likely to provide mental health services?
I really need help!! this is for the end of year assessment and i have to get this last one right so i don't have an F in math. Sierra and Alek each have five c
Urgent 25 points!! Amanda was asked to make a solution of salt water using 32.0 grams of NaCl and 0.75 Liter of water. Amanda realized that first, she needed t
Which of the following would represent a line in the real world ?
What is the radius of a circle whose circumference is 16 x pi?
Solve by extracting roots. Round your answers to two decimal places. 5a² - 85 = 2.2a² - 30
Help! ASAP! Which statement about American seascapes of the 1800s is true? A. They show seas but exclude lakes and rivers. B. Some tell stories and express diff
Which is one way that sinkholes can form?