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Evaluate the expression 2x - (4y - 3) + 5xz, when x = -3, y = 2, and z = -1

choixongdong: 2x - (4y - 3) + 5xz, when x = -3, y = 2, and z = -1
plug in
= 2(-3) - [4(2)- 3] + 5(-3)(-1)
= -6 - 5 + 15
= 4

answer
4