Question

If x = 5 and y = 4, then what does 5xy + 10yz +3zx + 5x – 6y equal to?

Answer 1

Answer:

X = 5

y = 4

$5 \times 5 \times 4 + 10 \times 4 \times z + 3 \times z + 5 \times 5 - 6 \times 4 = 0$

100+40z+15z+25-24=0

101=40z+15z

z = -101/55

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Answer 2

Answer:

z= -101/55

Step-by-step explanation:

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