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puteri [66]
3 years ago
12

If you multiply four times the sum of my number and 2, you get 28. What's my number?

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
4 0

Answer:

5

Step-by-step explanation:

5+2 = 7

7x4 = 28

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// Solve equation [1] for the variable  x  

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// By now we know this much :

<span><span>  x = 1</span> <span>  y = -13x/14-1/14</span></span>

<span>// Use the  x  value to solve for  y  
</span>

<span>   y = -(13/14)(1)-1/14 = -1 </span>Solution :<span><span> {x,y} = {1,-1}</span>  <span> Processing ends successfully</span></span>
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Step-by-step explanation:

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