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 ( 23+ )
Otras preguntas
Simplify the expression completely. x squared over x to the power of 6
Read the following passage written by a teen hero: I want to be a vocal advocate for nature. I reject the idea that I am too young to make a difference. I recen
We had lunch: sandwiches, potato chips, and iced tea. Carolyn and her mother talked mostly about neighbors and the congregation at the Japanese Methodist Church
PLEASE HELP ME!! What was the name of the system developed by FDR Roosevelt during the Great Depression to aid lower income people? B) Medicare C) M
Researchers are exploring whether treatment with ________ might improve social behavior in those with asd.
Solve the system algebraically. check your work. 2x + 5y = 10 2x + 3y = 6
Carl earned $6.20 per hour and worked 6 1/2 hours per day. What is the best estimate of his earning for a five-day work week?
Why does Helen go to bed happy at the end of the chapter?
If the area of a square is 32 ft2, how long is its diagonal?
what is the final product? ^5sqrt4x^2 ^5sqrt4x^2
