SOLUTION: x+y=3 x-y=5
Algebra
->
Coordinate Systems and Linear Equations
-> SOLUTION: x+y=3 x-y=5
Log On
Linear Solvers
Linear
Practice
Practice
Answers archive
Answers
Word Problems
Word
Lessons
Lessons
In depth
In
Click here to see ALL problems on Linear-systems
Question 519722
:
x+y=3
x-y=5
Found 2 solutions by
jim_thompson5910, oberobic
:
Answer by
jim_thompson5910(35256)
(
Show Source
):
You can
put this solution on YOUR website!
x+y=3
x-y=5
2x=8
x=4
x+y=3
4+y=3
y=3-4
y=-1
So the solutions are x = 4 and y = -1
Answer by
oberobic(2304)
(
Show Source
):
You can
put this solution on YOUR website!
x+y=3
x-y=5
-------
2x = 8
x = 4
.
substitute x=4
.
4+y = 3
y = -1
.
Answer: x = 4, y = -1