Question

If z=-3 y=8 and x=-7. Find the value of:
(a)x-2y+3z
(b)xy+yz+zx


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Answer 1

Answer:

a) -7-2(8)+3(-3) = -7-16-9 = -32

b)(-7)(8) +8(-3) + -3(-7) = -56-24+21 = -59

Step-by-step explanation:

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Answer 2

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