SOLUTION: Given: 3x - 8 = -1 and -5x + 8y = 7, solve for x and y.
Algebra
->
Coordinate Systems and Linear Equations
->
Lessons
-> SOLUTION: Given: 3x - 8 = -1 and -5x + 8y = 7, solve for x and y.
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 534436
:
Given: 3x - 8 = -1 and -5x + 8y = 7, solve for x and y.
Answer by
oberobic(2304)
(
Show Source
):
You can
put this solution on YOUR website!
I assume you left the 'y' out of the first equation.
.
3x -8y = -1
-5x +8y = 7
------------ add
-2x = 6
x = -3
.
3(-3) -8y = -1
-8y = 8
y = -1
.