fishbeckangel fishbeckangel

03-01-2020
Mathematics

contestada

Two-thirds of a number added to itself is 20. What is the number?

Respuesta :

kenlingdad kenlingdad

03-01-2020

Answer:

12

Step-by-step explanation:

2/3 x + x = 20

2/3 x + 3/3x = 20

5/3 x = 20 ... times 3/5 both sides

x = 12

check: 2/3 x 12 + 12 = 8 + 12 = 20

Answer Link

Otras preguntas

(10y^3+20y^2+55y)/5y

what is the answer for (20,8),(9,16) ?

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

(10y^3+20y^2+55y)/5y

Find Domain of the functionsquare root of (x-8)/x(x-9)

How is it possible for Mercury to have frozen ice ?

Find Domain of the functionsquare root of (x-8)/x(x-9)