Khan Academy

Supporting grades: 8

Description: Sal demonstrates how to solve the system of equations 6x - 6y = -24 and -5x - 5y = -60 using the elimination method. And that's what this exercise is doing for us, is generating problems so that we can try solving systems of equations with elimination. And then this is what they have: 6x minus 6y is equal to negative 24. So they gave us 6x minus 6y is equal to negative 24.

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