21.1k views
4 votes
5. Solve the equation. 8/x+3 = 1/x+1

User Nneko
by
4.7k points

1 Answer

6 votes

Answer:

x = -5/7

Explanation:

8 1

---------- = ----------

x+3 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-x+3

7x+8 =3

Subtract 8 from each side

7x +8-8 =3-8

7x = -5

Divide each side by 7

7x/7 = -5/7

x = -5/7

User Raffobaffo
by
5.7k points
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