fryemarissa327
fryemarissa327 fryemarissa327
  • 23-05-2020
  • Mathematics
contestada

-x + y = -1 *hint: those are both 1y
2x - y = 0
solve using elimination (algebra)

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 23-05-2020

Answer:

x = -1

y= -2

Step-by-step explanation:

-x + y = -1

2x - y = 0

Add the two equations together to eliminate y

-x + y = -1

2x - y = 0

--------------------

x +0y  = -1

x = -1

Now find y

-x+y = -1

-(-1) + y = -1

1+y = -1

Subtract 1 from each side

y = -1-1

y = -2

Answer Link

Otras preguntas

If the major currents in the oceans were to slow down or stop, how would that affect the distribution of heat on Earth, and what effect might that have on glaci
Rewrite the exponent as a fraction with postive a positive exponent. (-2)^-3
how do i solve this question 5+y=-15 ?​
A definition of contemporary realistic fiction would include one of these pointsa. imaginative writing about life as it was lived in the pastb. imaginative writ
X^2- 4y² = 9 3x + 4y = 7
3.14 is a terminating decimal true or false?
1. From where did the did the earliest humans migrate to the Americas? A. Africa B. Asia C. Europe D. Artic
Zak uses repeated subtration to find 48\8 .How many groups of 8 doeszak subtract
What did france gain by helping the americans win the revolutionary war? Apex
10. What happens to different populations of thesame species living in different places?​