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WITCHER [35]
4 years ago
13

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

Mathematics
1 answer:
Softa [21]4 years ago
6 0
The answer is:  " 5/2 ; or, write as:  "2 ½ " ; or, write as:  "2.5" .
___________________________________________________
15/ (3x - 6) ;

Substitute "4" for "x" ; and solve:
___________________________________________________

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" .
___________________________________________________</span>
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