Substitution In Exercises 7376, solve the system of
Chapter 1, Problem 1.1.76(choose chapter or problem)
Substitution In Exercises 7376, solve the system of equations by first letting A = 1%x, B = 1%y, and C = 1%z.2x+1y3x 4y2x+1y 2z ==+3z =510
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