Roninsongrant
29.01.2020 •
Mathematics
2. solve the following system by any method.
8x + 9y = –5
–8x – 9y = 5
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Ответ:
ANSWER
Infinitely many solutions.
EXPLANATION
The given system t;
8x + 9y = –5
–8x – 9y = 5
We use the elimination method:
Let us add the two equations to obtain:
-8x+8x+9y-9y=-5+5
This simplifies to:
0=0
This implies that, the system has infinitely many solutions because the two lines coincide.
Ответ: