boo1561
boo1561 boo1561
  • 17-11-2017
  • Mathematics
contestada

Please help me on these please

Please help me on these please class=

Respuesta :

dannielle
dannielle dannielle
  • 17-11-2017
7(x+2)=9(2x+1)
7x+14=18x+9
18x-7x=14-9
11x=5
x=5/11

2*5*(x+1)=3x
10(x+1)=3x
10x+10=3x
10x-3x=-10
7x=-10
x= - 10/7

4(x-1)=25(x-3)
4x-4=25x-75
25x-4x=75-4
21x=71
x=71/21

Answer Link

Otras preguntas

How does human evolution or natural selection relate to the susceptibility of disease?
1.12 divided by 8.2 equals
Johanna is working in a hospital pharmacy handling unit-dose medications. Her hospital pharmacy uses a large automated machine called a(n) _______ to dispense t
Which word is a preposition in the following sentence? Alissa bought her sister a jacket for winter.
The numbers of pages read in books by fourth graders and by seventh graders are shown below: Fourth Grade: 87, 95, 76, 148, 104 Seventh Grade: 183, 187, 204, 21
"while i was watching at 9 o clock television network program" grammatical name and function
Which American Indian groups formed an alliance with the French as the French and Indian war began
NH3 -> N2+ H2 balancing equations
To Kill a Mockingbird During the trial, Tom says he feels sorry for Mayella. The reaction from the crowd is _____. appreciation for his sympathy outrage over
who was primarily responsible for negotiating the terms of the Compromise of 1850