4 years ago

Evaluate the expression 15/3x-6, when x=4.

1 answer:

6 0

The answer is: " 5/2 ; or, write as: "2 ½ " ; or, write as: "2.5" .
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15/ (3x - 6) ;

Substitute "4" for "x" ; and solve:
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Note: (3x -6) = 3(4) - 6 = 12 - 6 = 6 ;

Rewrite the expression:

15/6 = (15 ÷ 3) / (6 ÷ 3) = 5/2 ; or, write as: "2 <span>½ " ; or, write as: "2.5" .
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