Answer:
630
Step-by-step explanation:
15×2=30
40×(-15)=-600
30-(-600)=630
Answer: at least 50 dollars
Step-by-step explanation:
Answer:
i d k
Step-by-step explanation:
we cant see your figure so
Graphing the system of equations is shown in figure attached.
Solution set is (2,-4). The lines will intersect at (2,-4)
Step-by-step explanation:
We need to graph the system of equations. 
First we will find value of x and y
Let:

Add eq(1) and eq(2)

Putting value of x in eq(1) and finding y

So, y=-4
Graphing the system of equations is shown in figure attached.
Solution set is (2,-4). The lines will intersect at (2,-4)
Keywords: System of equations
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