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Evaluate the expression for x = 5, y = 3, and z = 14 . 5x−6y+20z / 4yz

Evaluate the expression for x = 5, y = 3, and z = 14 . 5x−6y+20z / 4yz
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4 votes
Evaluate the expression for x = 5, y = 3, and z = 14 . 5x−6y+20z / 4yz

User Sanorita
by
8.5k points

1 Answer

4 votes

Substitute the values of x, y and z to the expression:


x=5,\ y=3,\ z=14\\\\(5x-6y+20z)/(4yz)=((5)(5)-(6)(3)+(20)(14))/((4)(3)(14))=(25-18+280)/((12)(14))\\\\=(7+280)/(168)=(287)/(168)=1(119)/(168)=1(119:7)/(168:7)=1(17)/(24)

User Pavle Mijatovic
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