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Evaluate the expression 3x + (z + 2y) - 12, if x = 3, y = 8 and z= 5.

A. -116
B. 18
C. 53
D. 42

1 answer

3x + (z + 2y) - 12, if x = 3, y = 8 and z= 5.

3*3 + (5+2*8) - 12

9 + (5 + 16) - 12

9 + 21 - 12

30 - 10 - 2

20 - 2

18
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