tamseif tamseif
  • 02-10-2017
  • Mathematics
contestada

How do I solve this problem b+2/b-1=4/5

Respuesta :

sosophiephie3
sosophiephie3 sosophiephie3
  • 02-10-2017
Since this is a proportion we cross multiply.
b+2/b-1=4/5 
b-1(4)=b+2(5)
  4b-4=5b+10
    +4 = +4
     4b=5b+14
    -5b=-5b
    -1b=14
divide by -1 on both sides
b=-14
Answer Link

Otras preguntas

!!!!!!! I need help on this question. There is a picture !!!!!
Are the chromosomes in each daughter cell genetically identical or genetically unique? What is the significance of this phenomenon?
A realistic value for ________ is about 180L/day: a. glomerular filtration rate b. net filtration pressure c. adult urine output d. renal blood flow e. sod
how are the Soviet and the US goals similar
Suppose that two stars in a binary star system are separated by a distance of 60 million kilometers and are located at a distance of 180 light-years from Earth.
What is 13×379 please help me​
Please help :) A poll is taken at a concession stand to discover the customers’ favorite item to buy. The results are displayed in the table. This situation can
a system of linear inequalities is shown below y - x is less than 0 + y -1 is greater than 0 which of the following graphs represents the solution set to the sy
Describe the circumstances leading to desertification
What is the history of daylight savings time?