Let z be any number (like x would be)
if we set z equal to 2x-6y, then we get z = 2x-6y
The system
2x-6y = 8
2x-6 = 3
turns into this new system
z = 8
z = 3
but z is a single number. It can't be both 8 and 3 at the same time. So there are no solutions
75 minutes which is 1 hour and 15 minutes (:
Hello,
y=x²-10x+7=x²-2*5x+25-25+7=(x-5)²-18
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Answer:
I can try
Step-by-step explanation:
