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 ( 87+ )
Otras preguntas
Your model locomotive is 16 inches long. It is an exact model of a locomotive that is 40 feet long. A window on the locomotive is how many times wider than a wi
Your model locomotive is 16 inches long. It is an exact model of a locomotive that is 40 feet long. A window on the locomotive is how many times wider than a wi
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
Your model locomotive is 16 inches long. It is an exact model of a locomotive that is 40 feet long. A window on the locomotive is how many times wider than a wi
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
Your model locomotive is 16 inches long. It is an exact model of a locomotive that is 40 feet long. A window on the locomotive is how many times wider than a wi
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
Your model locomotive is 16 inches long. It is an exact model of a locomotive that is 40 feet long. A window on the locomotive is how many times wider than a wi
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length on the drawing correspond to 3/8
