changocuevas11
changocuevas11
22-02-2018
Mathematics
contestada
3x=-5y
6x-7y=17
Solve the equation
Respuesta :
Аноним
Аноним
22-02-2018
3x = -5y -------------- (1)
6x - 7y = 17 --------- (2)
From (1):
3x = -5y
x = -5/3 y ---------- sub into (2)
6 (-5/3 y) - 7y = 17
-10y - 7y = 17
-17y = 17
y = -1 ------------ Sub into (1)
3x = -5 (-1)
3x = 5
x = 5/3
Ans: x = 5/3, y = -1
Answer Link
VER TODAS LAS RESPUESTAS ( 86+ )
Otras preguntas
To what extent was the treaty of Guadalupe Hidalgo turning point in American history defend your answer with specific evidence.
pweasee help!!!!!!!!!!!!!
Texas has been impending storm,and California is experiencing a water crisis. Match the technologies with the state that can use them to reduce the effects of t
The notion that students that students have the capacity to exercise influences over their life events and coordinate their own learning, motivation, and emotio
Explanation A 5000 kg rocket is at rest in deep space. The rocket burns fuel pushing 10kg of exhaust gases rearward at 4000 m/s. This process takes 10 s. During
At the turn of the twentieth century, why did politicians, religious leaders, and the Daughters of the American Revolution protest cultural events like boxing,
We have an array of Rectangles called rectangleArray and a function updateRectangle(rect) that takes a single rectangle as a parameter and changes its color to
The sticky-wage theory of the short-run aggregate supply curve says that when the price level rises more than expected, a. production is less profitable and emp
A 50 kg satellite circles the earth in an orbit with a period of 100 min. What minimum energy E is required to change the orbit to one with a period of 310 min?
The base of a solid in the xy-plane is a circle with a radius of 3. cross sections of the solid perpendicular to the x-axis are squares. set up the integral to
