3(2x + y) + 5z = -1 2(x - 3y + 4z) = -9 4(1 + x) = -3(z - 3y)
Chapter 3, Problem 21(choose chapter or problem)
3(2x + y) + 5z = -1 2(x - 3y + 4z) = -9 4(1 + x) = -3(z - 3y)
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