use the linear combination method to solve the system of equations. 2x-3y=13 and x+2y=-4

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23-02-2017
Mathematics

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use the linear combination method to solve the system of equations. 2x-3y=13 and x+2y=-4

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pasha pasha · Answer 1 · 2017-02-23T20:12:42+01:00

pasha pasha

23-02-2017

2x - 3y = 13 /*2
x + 2y = - 4 /*(3)

4x - 6y = 26
3x + 6y = - 12
---------------------- +
4x + 3x = 26 - 12
7x = 14
x = 2

y = ( - 4 - x)/2 = ( - 4 - 2)/2 = - 6/2 = - 3

Answer
( 2; - 3)

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beymaker250 beymaker250 · Answer 2 · 2021-03-02T02:47:32+01:00

beymaker250 beymaker250

02-03-2021

Answer:

(2,-3)

Step-by-step explanation:

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