chino54 chino54
  • 04-02-2019
  • Mathematics
contestada

Solve 2x+y=3 x+y=5 in substitution method

Respuesta :

Kampe Kampe
  • 06-02-2019
2x+y=3
- x+y=5
---------------
x=-2

2(-2)+y=3
y=7

-2+y=5
y=7

(-2,7)
Answer Link

Otras preguntas

PLATO; can somebody please help me with the following question below:
Two genes of a flower, one controlling blue (b) versus white (w) petals and the other controlling round (r) versus oval (o) stamens, are linked and are 10 map u
A good friend of yours tells you that he has a new job at a bakery. “Oh man, you are so lucky,” you tell him. “You get to smell that fresh bread and the donuts
The study of nervous co-ordination of endocrine system is known as? ​
What is the surface area of the regular pyramid below? A. 960 sq. units B. 1536 sq. units C. 1664 sq. units D. 768 sq. units
1 3.3.4 Quiz: Origins and Alliances of the Cold War Question 4 of 10 2 Points By supporting pro-democratic governments against aggression, we can limit the spre
Here is the question again, thanks for your help.
In the dangerous sport of bungee jumping, a daring students jumps from a hot air balloon with a specially designed elastic cord attached to his waist. The unstr
11. In order to determine the climate of a place, you would use all of the following except (1 point) Orange mean mode median
What is the total number of moles 21.5 g CaCO