iaagsoab
iaagsoab iaagsoab
  • 03-12-2020
  • Mathematics
contestada

Solve equations by using elimination
-4+5y= 13
X-5y=21
( , )

Respuesta :

maraki404
maraki404 maraki404
  • 03-12-2020

Answer:

y=17/5 ,x= 38

Step-by-step explanation:

-4+5y =13 add 4 both side

4-4+5y=13+4

5y=17

5y/5=17/5 y=17/5

x-5y=21

x-5(17/5)=21

x-17=21

x=21+17= 38

Answer Link

Otras preguntas

What is the default letter assigned for the primary hard drive?
In a traditional economy decisions are based largely on
A certain person had a brain that weighed 1.45 kg and contained 6.41 × 1010 cells. assuming that each cell was completely filled with water (density = 1.00 g/ml
Hey friends answer this please Please give the letter choice
For many years, congressman ricardo perez has called for more government regulation of business. "after all," the congressman said recently, "business people ar
The Bill of Rights contains an American's civil rights. True or False?
The solubility of acetanilide is 3.53 g in 100 ml of chloroform at 0 °c, and 29.1 g in 100 ml of chloroform at 60 °c. what is the maximum percent recovery that
Who is the first president of China
Nivea became the leader in the skin cream class on the "gentle", "protective" and "caring" platform. the company further moved into classes such as deodorants,
Can you plzzz help me