7. How would you determine the coefficients of the system if (2,3,5) is a solution to the system? What are the coefficients a, b, c? Be sure to show and explain all work. ax-by + bz = -15 bx + ay - cz = 19 2ax - 2ay - az = -2

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A: Hi there, at a time we can answer only one question. So, I have answered first question.