jolee89 jolee89
  • 12-09-2018
  • Mathematics
contestada

three times the difference of a number and seven is one less than twice the number. find the number

Respuesta :

TheMeThatMees
TheMeThatMees TheMeThatMees
  • 12-09-2018
3(x-7) = 2x -1

3x -21 = 2x -1
x -21 = -1
x = 20
Answer Link

Otras preguntas

Which of the following rules is a HIPAA rule that requires healthcare organizations to maintain policies and procedures for confidentiality? privacy rule securi
why do you think Waldeeemuller would have taken the initiative to name the Americas? 7th grade social studies
After having read, how do you think pollution in one sphere can have an impact on another? Be specific and explain.
a) Analyze Cause and Effect What effect did the success of Where the Wild Things Are have on children's publishing?
5. Which of the following statements is incorrect?(a) A dry cell produces a small amount of electrical energy.(b) A dry cell is used in TV remotes(c) All dry ce
what kinds of way can you use color in your image to tell a story​
PORFAVORRR Resumen del canto XVII (17) de la Araucana
Why did business people want to support Spain in the fight for Cuban Independence?
Ax:ab =1:3 where is x
A equal pie r square solve for r