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Dile al profesor se me perdio el homework

Step-by-step explanation:

XD na  mas piensa multiplicacion se incuye y la fomrula buscas en inter :v

The first step in developing a system of equations from a real-life situation is to define your variables meaning determine the problem. In mathematics, you should first look for the x it is use in understanding problems relating to graph so in real-life defining variables is use to understand what is the problem.