A) Which would you use to solve the following system and why?

5x-6y=-8

x+4y=1

b) What would be the first step in solving the system using the method you choose in part a?

1. If the value of the dependent variable is 20, find the value of the independent variable in the equation y = 5x + 10? 2. If the value of the independent variable is 30, find the value of the dependent variable in the equation y = 5x + 10?

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