I have 1 litre of water in a jug. On the way to my table I spill some. I have 780ml left. How much have I lost?
1 answer:
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Answer:
y = -
Step-by-step explanation:
Given
The denominator of the expression cannot be zero as this would make it undefined. Equating the denominator to zero and solving gives the value that y cannot be, that is
4y + 2 = 0 ( subtract 2 from both sides )
4y = - 2 ( divide both sides by 4 )
y = = -
← excluded value