Cinclair711
Cinclair711
08-12-2014
Mathematics
Answered
X-y=1
X+y=3 Elimination
Answer :
fenniehuynh
fenniehuynh
09-12-2014
x-y=1
x+y=3
You see the y's can cancel out. So add it together and you have:
2x=4
x=2
Now that you have x, plug it in to one of the equations to find y.
I will plug it into the first one.
(2)-y=1
-y=-1
y=1
Answer Link
VIEW ALL ANSWERS ( 89+ )
Other Questions
how do the properties of elements in the same column of the periodic table compare
Marnie purchased a dining room table and 6 chairs for $1,860.00 before discount and taxes. Kristen purchased a queen bed, dresser, 2 night stands, and a chest o
In 1904, a dictionary costs 30 cents. Since then the cost of a dictionary has risen an average 6 cents per year. Write a linear equation to find the cost (C) o
Which of the following statements about China's economy is true? A. People in rural areas have a higher standard of living than those in major cities. B. Hong
the scale on a drawing is 4:1 what does that mean ? PLEASE I NEED HELP @! :)
what multiplies to be -168 and adds to be 10?
What multiplies into 12 and adds into 17
Lindsay will lay a certain number of 18in. square tiles in a line to form a walkway. Which of the following is NOT a possible length for the walkway if she uses
Which word correctly completes the sentence? The time to watch that television program has already __________. A. passed B. past
Katie has read 32% of a book. If she has read 80 pages, how many more pages does Katie have left to read? Please explain