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iren2701 [21]
3 years ago
14

Evaluate the ExpressionIf x = -3, y = 6, and z = -5-15 + x + y =​

Mathematics
1 answer:
Sergio039 [100]3 years ago
6 0

Answer:

-12

Step-by-step explanation:

-15+x+y=

-15+(-3)+6

-15-3+6

-15+3

-12

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The sum of two numbers is 28. one number is 14 more. find the numbers
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The numbers are:  "7 " and "21 " .
_______________________________________
Explanation:
_______________________________________
The numbers are:  "x"  and "x + 14" .

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_______________________________________
 → x + (x + 14) = 28 ;

Rewrite as:

 →  x + x + 14 = 28 ;

 →  1x + 1x + 14 = 28 ;

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 Subtract "14" from each side of the equation;
 
 →  2x + 14 − 14 = 28 <span>− 14 ;

</span> →  2x = 14  ;

Divide EACH SIDE of the equation by "2" ;
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 →  2x / 2 = 14 / 2 ;

 →  x = 7 . 
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So;  one of the numbers is:  " 7 " .

The other number is:  " x + 14 " ; which equals: " 7 + 14 = 21".

The other number is:  "21 " .
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The numbers are:  "7 " and "21 " .
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Line WX is parallel to line YZ. if m
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X = 84

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