candyeater1214
candyeater1214 candyeater1214
  • 12-03-2014
  • Mathematics
contestada

What is the answer to:
x + y = 4
Y= x+4
Using elimination

Respuesta :

kamil
kamil kamil
  • 12-03-2014
x + y = 4
y = x + 4

x + (x + 4) = 4
y = x + 4

2x + 4 = 4 
y = x + 4

2x = 4 - 4 
y = x + 4 

x = 0
y = 0 + 4

x = 0 
y = 4
Answer Link

Otras preguntas

helpppppppppppppppppp
PLEASE HELP ASAP 100 POINTS
6(h - 6k+7) distributive property​
The ratio of the interior angle measures of a triangle is 2:3:5. What are the angle measures? In order from the smallest angle to the largest angle, the angle m
Which type of bond, denoted by the arrows, allows DNA to be readily replicated? Need for a final will mark brainliest!
4. Summarize Lord Arthur's first and second attempts at murder. In lord Arthur savile’s crime
what causes nose bleeds?
3 equivalent ratio to 9/2
Yuan wrote 17 letters to friends each month for x months in a row. Write an expression to show how many total letters Yuan wrote.
Some adult children may still be covered by their parents' medical insurance policies.