bradensanchez11
bradensanchez11
02-12-2014
Mathematics
contestada
how do i solve 7x-y=21
Respuesta :
NasimAljabri
NasimAljabri
02-12-2014
it is 3 because we multiply 3 and 7 and we get 21
Answer Link
aceituno98
aceituno98
02-12-2014
The answer answer is actually -3 because you divided 7 from 21 and you get 3 then you divided -1 because the y has a negative sing on it and you want it to be positive. That is why the answer is -3
Answer Link
VER TODAS LAS RESPUESTAS ( 69+ )
Otras preguntas
8.7 less than 3 times a number is the same as 22 1/5
What is the value of the expression? 3/ 7 ÷ 3/ 4
A clothing store is having a clearance sale. The advertisement says "All shirts one price! All pants one price! Julie bought 4 shirts and 6 pants for $86. Kris
Which is the best definition of federalism
What is the answer to this?
what was the longest battle in WW2
1. Why do third parties usually not last very long in the American two-party system?
which type of food molecule provides components for cellular structures like plasma membranes, myelin sheaths, and steroid hormones?
if the numerator of a fraction is larger than the denominator of the fraction in the fraction is greater than 1.
3. What is space junk? Give two examples and describe why these materials pose hazards to an astronaut or spacecraft.
