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6-5 solving rational equations 8/x+3=1/x+1

User Vy
by
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1 Answer

7 votes

Answer:

x = -5/7

Explanation:

8/(x+3)=1/(x+1)

Using cross products

8*(x+1) = 1*(x+3)

Distribute

8x+8 = x+3

Subtract x from each side

8x-x +8 = x+3-x

7x +8 =3

Subtract 8 from each side

7x+8-8 = 3-8

7x = -5

Divide by 7

7x/7 = -5/7

x = -5/7

User Zamena
by
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