the answer is sue: 13-x and Tony: (18+x)/2
What is a blended mortgage rate?
1 answer:
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Answer:
He made a mistake in his calculations when simplifying 5x - 2y
Step-by-step explanation:
Given
The coordinate pair
The equations
Dimitri's Solution
Required
Identify Dimitri’s mistake
In the first equation, Dimitri made no mistake.
However, he made a mistake when simplifying the second equation.
We have:
and
Substitute and
So, we have:
Open bracket
Finally, we have: