Otod207
30.01.2020 •
Mathematics
Solve system by elimination
8x-8y=-16
-8x-7y=-29
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Ответ:
You get -15y=-45
So y=3
Now plug in to first equation.
8x-8(3)=-16
8x-24=-16
8x=8 so x=1
Check both values in second equation.
-8(1)-7(3)=
-8-21=-29
It works...so x=1, y=3
Ответ:
hi
Step-by-step explanation: