jelly18
jelly18
25-03-2016
Mathematics
contestada
Linear equations 2x+y=20
6x-5y=12
Respuesta :
Hey1ItsHeather
Hey1ItsHeather
25-03-2016
Step1:
2x+y=20
6x-5y=12
Step 2:
(2x+y=20)*5
6x-5y=12
Step 3:
10x+5y=40
+6x -5y=12
16x=52
X=3.25
Step 4: Plug into equation
y=-1.5
Answer Link
VER TODAS LAS RESPUESTAS ( 63+ )
Otras preguntas
Calculate the discriminant.x2 + 2x – 2 = 0
Why were bananas and camels so significant in early African history? What do they represent? How did they change the way people lived? Explain
A student pushes against a tree with a force of 10 newtons (N). The tree does not move. What is the amount of force exerted by the tree on the student?1) 0 N2)
What is an equivelent expression for 4(x+5)+2(x+3)
Why should you ask people questions about school or their jobs?
32.2 - (-15.9) + 10 - 15.9 + 7.8
2r-4/r-2 please help
Where does 5/6 go on a number line
The numbers 7, 24, and c are a Pythagorean triple. What is the value of c? A. 31
"Solving Equations by Completing the Square: m^2+2m-48=-6
