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07-10-2018
Mathematics

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6y-5x=5 and x=2y+7 using substition in linear functions

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ildaradoncic85p60dq7 ildaradoncic85p60dq7

07-10-2018

6y-5x=5 x=2y+7

x=2y+7 x=2(-10)+7

6y-5(2y+7)=5 x= -20+7

6y-10y-35=5 x= -13

6y-10y=5+35

-4y=40

y= -40/4

y=-10

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