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

After years of fighting in the New England and Middle Colonies, British forces invaded Georgia, and South Carolina. Based on the area, why might the British hav
What does William brad fords quote one small candle mean?
which is the main way a representative democracy differs from a direct democracy
What is 10% off £1.80?
A recipe that makes 6 servings calls for 1/2 cup of butter. Nancy modifies the recipe so that it can serve 8 How many cups of butter does Nancy need?
how do scientists develop scientific explanations about subjects that are impossible to study through controlled experiments?
Which characteristics do cell membranes and cell walls have in common?
What is 7 hundred x 10 in unit form?
What holds the slide on the stage
Lures, reels, rods, hooks, baits and nets are common equipment used in what food gathering method?