penelope1710 penelope1710
  • 01-04-2022
  • Mathematics
contestada

One-fourth of the sum of a number and 10 is 2 less
than twice the number?

Respuesta :

queeniegao634 queeniegao634
  • 01-04-2022

Answer:

The number is 2

Step-by-step explanation:

The equation is: 1/4 (x + 10) = 2x - 1

1/4x + 2.5 = 2x - 1

Multiply everything by 4 to get rid of the fraction

x + 10 = 8x - 4

Subtract x from both sides

10 = 7x - 4

Add 4 to both sides

14 = 7x

Divide both sides by 7

x = 2

Answer Link

Otras preguntas

Scarcity is the condition of not having enough goods and services to satisfy everyone's?
(10y^3+20y^2+55y)/5y
Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??
(10y^3+20y^2+55y)/5y
Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.
Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What
find an equivalent expression without parentheses -(50x-15y+15)=
Find Domain of the functionsquare root of (x-8)/x(x-9)
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.