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5 Use the Method of Elimination to find the equation of the line in y...

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5 Use the Method of Elimination to find the equation of the line in y mx b form that passes through each set of points Set up a system first like we did Exercises 3 and 4 from the lesson Then solve the system for the slope m and the y intercept b a 3 10 and 5 18 b 2 5 and 6 7 6 Lilly and Rosie are sisters The sum of their ages is 19 and the positive difference of their ages is 9 Set up a system of equations involving Lilly s age L and Rosie s age R assuming that Lilly is the older child Solve the system to find their ages 7 Shana bought sodas and popcorn for the movies Sodas cost 3 each and popcorn costs 4 per bag Shana bought 7 things from the concession all either sodas or bags of popcorn Shana spent a total of 26 Write a system of equations involving the number of sodas s and the bags of popcorn b Solve the system to see how many of each Shana bought

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