emilyewing49
emilyewing49
02-02-2016
Mathematics
contestada
y − x = -13 -4x + 3y = -51
Respuesta :
taskmasters
taskmasters
02-02-2016
y - x = -13
-4x + 3y = -51
Use any of the equation to find the value of x or y. In this case, I'll use the 1st equation to find the value of y.
y - x = -13
y = x - 13
Substitute the value of y in the 2nd equation to find the value of x.
-14x + 3y = -51
-14x + 3(x-13) = -51
-14x + 3x - 39 = -51
-11x = -51 + 39
-11x = -12
x = 12/11 or
1 1/11
Substitute the value of x in any equation to find the value of y.
y = x - 13
y = 12/11 - 13
y = 12/11 - (13*11/11) *to get the common denominator
y = (12 - 143)/11 = -131/11 =
11 10/11
to check: x = 12/11 or 1 1/11 ; y = -131/11 or 11 10/11
y - x = -13
-131/11 - 12/11 = -13
(-131 - 12)/11 = -13
-143/11 = -13
-13 = -13
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
Pleaseeeeeeeeeeeeeeee
EL 25% DE 75 ES 20 DIGANME POR FABOR
don’t get this question , need some help thankssss
Tomar's paycheck varies directly with the hours he works. When Tomar works 5 hours, he gets paid $60.00. How muci does Tomar make in 8 hours?
Which option correctly shows the flow of energy from left to right in a food chain? sunflower → robin human → potato lizard → grass ladybug → tomato
The major social sciences are Anthropology, Archaeology, Economics, Geography, History, Law, Linguistics, Politics, Psychology, and Sociology.
- Chong waits on tables at a restaurant. One day he served 4 different tables with bills without tips as follows: $85.40, $125.00, S92.60, and $155.50. If he ea
NEED HELP ASAP PLS !!!!!!!!
Answer the following question in 1-2 complete sentences. Define and describe the attributes of a low relief sculpture. What is another term used to describe a l
Answer the following question in 1-2 complete sentences. What is a relief? How many points of view does a relief have?.
