10-09-2014
Mathematics

contestada

Solve -3= 12y-5(2y-7) please
27=3c-3 (6-2c)

Respuesta :

11-09-2014

[tex]1.\\ -3=12y-5(2y-7)\\\\ -3=12y-10y+35\\\\ -3=2y+35\ \ \ |Subtract\ 35\\\\ -38=2y\ \ |Divide\ by\ 2\\\\ y=-19\\\\ 2.\\27=3c-3(6-2c)\\\\ 27=3c-18+6c\\\\ 27=9c-18\ \ \ |Add\ 18\\\\ 27+18=9c\\\\ 45=9c\ \ \ |Divide\ by\ 9\\\\ c=5[/tex]

Answer Link

Otras preguntas

When a lift is at the highest level it has the most ?A. kinetic energy B. potential energyC. chemical energy D. electrical energy

What is the missing length

Plz help I been stuck on this homework all night

Cesar is excited that he only has 12 months left before he pays off his credit card completely. His current balance is $3,750 and his APR is 17.5%. But when he

how is the mayflower compact an example of self government

Write 47/11 as a decimal. If necessary, use a bar to indicate which digit or group of digits repeats

how many centuries ago did hammurabi live? how long did he rule?

The zoo needs to replace some of the railroad tracks that support their train ride. The total length of the track is 500 feet, and there are three sections that

Should i redo a test even if i got a D ( which is passing), or should i Try again?

A cyclist at a grocery store, 180m from his home decides to go to the post office which is 510m from his home in the same direction. He takes 45 seconds to make