Seudónimo Seudónimo
  • 02-03-2017
  • Mathematics
contestada

how do I solve 5(4x -5) = 155

Respuesta :

Аноним Аноним
  • 02-03-2017
  5*(4*x-5)-(155)=0 
5 • (4x - 5) - 155 = 0
  Pull out like factors :
20x - 180  =   20 • (x - 9) 
20 • (x - 9) = 0  Solve :    20   =  0
Solve  :    x-9 = 0 
 Add  9  to both sides of the equation : 
 
                     x = 9 
hope that helps!!
Answer Link

Otras preguntas

Select the best answer for the question. 15. What is the total of 49 1/4+3 3/8? A. 4578 B. 52 1/2 C. 4518 D.5258 O Mark for review (Will be highlighted on the r
En 16 días se consume 1/8 de la carga de una batería. ¿Cuantos se consumirá en 48 días?
Please help me I need help with this assignment geometry math 13-16 and it is hard for me I been struggling with it and I am still so I would appreciate if you
need geometry help. ASAP pls & thanks
What is the value of x? Please help me
find the value of the x in the isoscelies triangle shown below.
Highlight the sentence in which the italicized word is used as a noun in the context of the sentence. 1.) I would personally never jump out of a plane. 2.) Th
Which word is for the word rowdy? Help
Which scientist was the first to propose the heliocentric model of the universe?
What is the net force required to give an automobile with a mass of 1,600 kg an acceleration of 4.5 m/s2