Find the solution to the system of linear equations elimination.

label Algebra
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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

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