payshencec21
payshencec21
16-03-2018
Mathematics
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pedrolan3
pedrolan3
16-03-2018
3,6
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fatouramjaun
fatouramjaun
16-03-2018
Let y=2x be equation 1 and the other one be equation 2
Substitude equation 1 in 2
To obtain
2x=4x+6
2x-4x = 6
-2x=6
X=-3
Now replace x=-3 in yje 2nd equatio to obtain y=-6...answer isB
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