adrianaclaytonn adrianaclaytonn
  • 22-02-2017
  • Mathematics
contestada

how do i do this?? Can you please help ? :

how do i do this Can you please help class=

Respuesta :

Аноним Аноним
  • 22-02-2017
4. -3(b-4)=-2b
    -3b+12=-2b
    12=-2b+3b
    12=b

5. 7x+4/3=2x-1
   3(7x+4)=3(2x-1)
  21x+12=6x-3
  21x-6x=-3-12
  15x=-15
  x=-15/15
  x=-1

6. 4x+12=-2(x+3)
   4x+12=-2x-6
   4x+2x=-6-12
   6x=-18
   x=-18/6
  x=-3

7. 7-5x=10-(6x+7)
   7-5x=17-6x
   6x-5x=17-7
   x=10
  
Answer Link

Otras preguntas

What process(es) create a canyon? O The same that create a valley O The same that create a mountain The same that create river delta The same that create a buil
Find the slope of the line passing through points (−1,6) and (2,5)
How could you separate a mixture of rocks and sand?
Write a compare-and-contrast analysis of how Greg Ridley from "The Treasure of Lemon Brown" changes from the beginning of the story to the end
local governments are the furthest from the citizens. will this be true or false
40 points!! look at attachment! help me understand and how to solve. ​
The length of a rectangular room is 7 feet longer than twice the width. If the room's perimeter is 146 feet what are the room's dimensions? Width - 22 ft: lengt
do you think BMI (Body Mass Index) and PFT (Physical Fitness Test) are enough to test the physical fitness of a person? Exemplify.
Please!!!! What is the answer ?
Helpppppp Answer this question and explain your answers10. Match each equation with its three solutions.1. y = 1.5x2. 2x +3y = 73. x - y = 44. 3x = y/25. y = -1