Answer: 8
Explanation:
x+y+(-1), given x=3, y=6, and z=-4
---------
x+y+(-1)
=(3)+(6)+(-1) ⇔ substitute x and y
=9+(-1) ⇔ add 3 and 6
=8
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Answer:
8
x=3
y=6
to find x+y-1, sub in x and y
3+6-1 = 8
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