Question

X=2 y= 3 and z=1 so 3x-2y+7z/4x-3y+5z​

Answer 1

Answer:

$\frac{3x - 2y + 7z}{4x - 3y + 5z}$

Substituting X=2, y=3 and z=1, we get,

$\frac{3 \times 2 - 2 \times 3 + 7 \times 1}{4 \times 2 - 3 \times 3 + 5 \times 1}$

$\frac{6 - 6 + 7}{8 - 9 + 5}$

$\frac{7}{13 - 9}$

$\frac{7}{4}$

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