akerschner45 akerschner45

13-01-2020
Mathematics

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7x+2y=24 4x+y=15 LINEAR SYSTEM

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Stefanisaska Stefanisaska

13-01-2020

Answer:(6,-9)

Step-by-step explanation:

7x+2y=24

4x+y=15

----------------

y=15-4x

7x+2(15-4x)=24

7x+30-8x=24

-x=24-30

-x=-6

x=6

y=15-4*6

y=15-24

y=-9

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