pebbles7133 pebbles7133
  • 08-04-2019
  • Mathematics
contestada

if you subtract 8 from 7 times a certain number, you end up with 34. what is the number?​

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Аноним Аноним
  • 08-04-2019

If we call the unknown number x, we have:

  • 7 times a certain number is [tex]7x[/tex]
  • If we subtract 8, we have [tex]7x-8[/tex]

If this equals 34, we have

[tex]7x-8=34[/tex]

Add 8 to both sides:

[tex]7x=42[/tex]

Divide both sides by 7:

[tex]x=6[/tex]

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