Answer:
C= -5
D = 7
Step-by-step explanation:

First substitute y=5x+7 so that would turn into 5x+7=6x
Then, isolate/solve for x for 5x + 7 = 6x, in this problem x=7
Substitute x=7 into y=5x+7
y=42
x=7, y=42
(7,42)
1 week = 7 days

Answer : Thomas spends $9.80 on food in one week.
Hope this helps. - M
<span>Partition describes the equal shares of a shape.
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36,00÷ 12= 3,000 so that would be the average monthly loss.