6x-7y=8 x+5y=11 round to the nearest hundredth

-6x-7y=8

x+5y=11 so x = -5y + 11

Substitute x = -5y + 11 into -6x-7y=8

-6(-5y + 11) -7y = 8

30y - 66 - 7y = 8

23y = 74

y = 74/23

y = 3.22 (round to the nearest hundredth)

x = -5y + 11

x = -5(74/23) + 11

x = -16.09 + 11

x = -5.09

Answer

x = -5.09 and y = 3.22

-6x-7y=8

6x+30y=66

23y=74

y=3.22

x+5(3.22)=11

x+16.1=11

x=-5.1

step-by-step explanation:

4th option is correct xy=-10

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