Find the solution to the system of linear equations elimination.

Algebra
Tutor: None Selected Time limit: 1 Day

Find the solution to the system of linear equations elimination.

{-7x+5y=-41

{4x-5y=32

Solution:

Jul 30th, 2014

add the 2 equations:

-3x=-9

x=3

substitute back into 2nd eqn:    -7(3) +5y = -41

-21+5y=-41

5y=-20

y=-4

Hence: (3,-4) is the answer.

Jul 30th, 2014

Are you studying on the go? Check out our FREE app and post questions on the fly!
Download on the
App Store
...
Jul 30th, 2014
...
Jul 30th, 2014
Dec 10th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer