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miss Akunina [59]
3 years ago
13

1/2a-2b when a = 14 and b = -3​

Mathematics
1 answer:
jolli1 [7]3 years ago
3 0
The answer is 13 because you would multiply 1/2 by 14 which is 7 and then multiply 2 and -3 which is -6 the you would subtract-6 from 7 to get 13
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3 years ago
Please help I don't understand this
Effectus [21]
The correct answer is:  [C]:  " \frac{7}{18}" .
____________________________________________________
Explanation:
____________________________________________________
Given:
____________________________________________________
  
  2 / (9x) = 4 / 7 ;  solve for "x" ;
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Cross-multiply:

        →   (9x)*4  = 2 * 7 ; 

        →   36x = 14 ; 

Divide each side of the equation by "36" ; 
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                   x = 14/ 36 ; 

                  → x = 14/36 = (14÷2) / (36÷2) = 7/18 ; 
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The answer is:  " \frac{7}{18}" ;

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