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03-02-2020
Mathematics

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what does x = in the equation 8x-9=x+9

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Onoriodefelix Onoriodefelix

03-02-2020

Answer:

x = 2 4/7

Step-by-step explanation:

8x - 9 = x + 9

Add 9 to both sides

8x - 9 + 9 = x + 9 + 9

8x = x + 18

Collect like terms

8x - x = 18

7x = 18

Divide both sides by 7

7x/7 = 18/7

x = 2 4/7

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