Answer:

Step-by-step explanation:

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Answer:
x < -3
Step-by-step explanation:
subtract 4x: 4x + 9 < -3
subtract 9: 4x < -12
divide by 4: x < -3
607,99*1,085=659,66915 $ is the total cost

Method 1.
Use 

Method 2.

The solution to this equation is the number 8