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 ( 34+ )
Otras preguntas
Which are the solutions of x2 = –11x + 4?
which of the following is a component of mental health / emotional health? A staying free of disease B spiritual health C maintaining healthy relationships D av
How to work out the maximum speed with this information?
Can someone please answer. There is only one problem. There is a picture. Thank you!!!
The combustion of pentane, C5H12, occurs via the reaction C5H12(g)+8O2(g)→5CO2(g)+6H2O(g) with heat of formation values given by the following table: Substance
when cells maintain internal balance, they are in a state of
you want to deposit $15,000 in a bank at an interest rate of 7 percent per year. what is the future value of this money after three years?
what is the value of the number 4 on 264,807
which of the following is a descriptor of an opinion? a. something observed to be true b. something oftentimes indicated by the use of adjectives c. information
what does the setting of a gothic story help an author quickly establish? a. the tone and mood of a story b. the personal opinion of the author c. the central c
