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7x-9=13

7x−9=13 7 x-9=13

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Add and subtract fractionsright chevron icon

Full solution

Q. 7x−9=13 7 x-9=13
  1. Add 99 to isolate: Add 99 to both sides to isolate the term with the variable.\newline7x−9+9=13+97x - 9 + 9 = 13 + 9\newline7x=227x = 22
  2. Divide to solve for xx: Divide both sides by 77 to solve for xx.7x7=227\frac{7x}{7} = \frac{22}{7}x=227x = \frac{22}{7}x=3.142857...x = 3.142857...

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