7x + 8 = 9x + 5

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807

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7x + 8 = 9x + 5

Guest Sep 26, 2014

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Best Answer

+129840

+5

7x + 8 = 9x + 5 subtract 7x from both sides and subtract 5 from both sides

3 = 2x divide both sides by 2

3/2 = x

Check

7(3/2) + 8 = 9(3/2) + 5

21/2 + 8 = 27/2 + 5

8-5 = 27/2 - 21/2

8-5 = 6/2

3 = 3

CPhill Sep 26, 2014

1⁺⁰ Answers

+129840

+5

Best Answer

7x + 8 = 9x + 5 subtract 7x from both sides and subtract 5 from both sides

3 = 2x divide both sides by 2

3/2 = x

Check

7(3/2) + 8 = 9(3/2) + 5

21/2 + 8 = 27/2 + 5

8-5 = 27/2 - 21/2

8-5 = 6/2

3 = 3

CPhill Sep 26, 2014

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