iaagsoab iaagsoab

03-12-2020
Mathematics

contestada

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

Respuesta :

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

You have $2,000 on a credit card that charges a 16% interest rate. If you want to pay off the credit card in 5 years, how much will you need to pay each month (

why is cursing someone in authority bad?

r/3 + 5 < 8 please help

Name the types of motion represented by oA, AB and BC .

Look at the pattern below. If the pattern continues, what will be the tenth number? 3. 11, 9, 17, 15, 23, 21...

cách tính tổng 12+25+45+65+34

What is the correct pronunciation of interesting, obviously it is spelled in-ter-es-ting but people say it is in-tru-sting instead? so which is correct?

need some help with math:)

In a particular year, a total of 46,601 students studied in two of the most popular host countries when traveling abroad. If 8483 more students studied in the

pls help asap .........................