Hello :
<span>4x-5y=13...(1)
x+5y=-3...(2)
(1)+(2) : 5x = 10
x=2
subsct in (2) : 2+5y = -3
5y =-5
y = -1
</span>
Answer:
Food cost determines a restaurant's profitability.
Step-by-step explanation:
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Answer:
2x+2
Step-by-step explanation:
of symbols, representing a value, o relation. example 2+2=4
Answer:
I believe that the answer is 'n=8'.