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 ( 47+ )
Otras preguntas
What is the value of x in the equation 7x+2x=18? A) 2 B) 5 C) 9 D) 7
La viajera ________ (2 palabras) de la maleta perdida. The pronoun is either from estar or set and the verb is from habla.
Which is the solution to the inequality y+15 < 3 help as soon as possible
Find the derivative of the following function using the limit process
How many atoms of nitrogen are present in 2.49 moles of nitrogen trifluoride ? atoms of nitrogen?
A chart is closed when?
The area of a rectangle is 240 in squared. the ratio of the length to the width is 5 : 3. find the length and the width.
Scientists have discovered that 99.9% of the gene sequence is shared by all humans a. True b. False
line A is perpendicular to line B. The slope of line A is -1/9 what is the slope of line b?
I don’t know this.can someone help me please
