nukguillory4625 nukguillory4625
  • 20-07-2017
  • Mathematics
contestada

Three times the difference of a number x and seven is twenty-three minus the sum of three times a number x and two. what is the value of x?

Respuesta :

texaschic101
texaschic101 texaschic101
  • 20-07-2017
3(x - 7) = 23 - (3x + 2) =
3x - 21 = 23 - 3x - 2 =
3x - 21 = -3x + 21
3x + 3x = 21 + 21
6x = 42
x = 42/6
x = 7 <==
Answer Link

Otras preguntas

A fair coin is tossed 5 times. What is the probability of obtaining exactly 3 heads.
the sum of Marys age and her moms age is 67.  Three times Marys age increased by 7 is her moms age.  How old is Mary and her mother
what is the function of lissome?
what is the meaning of vague and a sentence on that.
how do you calculate the circumference of a circle
90 students went to the zoo three had a hot dog,soda and a Popsicle ;24 have a hot dog; five had a hot dog and soda; 33 had a soda ;10 had a soda and Popsicle;
how do you calculate the circumference of a circle
what is the function of lissome?
Find the value of:[tex] 27x^{3}+8 y^{3} [/tex] if 3x+2y = 20 and xy = [tex] \frac{14}{9} [/tex]
what does t amo mean