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Mathematics 11 Online
OpenStudy (anonymous):

use the elimination method to solve the given system of equations. 7x+5y=18 -7x-9y=4 A.(-5.5,11.3) B.(5.5,-4.1) C.(6.5,-5.5) D.(5.1,-3.5)

OpenStudy (anonymous):

its a

OpenStudy (anonymous):

that was wrong, add and get \[-4y=22\] \[y=-5.5\]

OpenStudy (anonymous):

right

OpenStudy (anonymous):

i think its c

OpenStudy (anonymous):

it is C

OpenStudy (anonymous):

ya srry i went of @satellite73 equation

OpenStudy (anonymous):

its okay.thank you!

OpenStudy (anonymous):

np

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