Question

1. What is the value of n in 12/(n+2)=7/(n-3)?
a. 1
b. 5
c. 10
d. 20

2. What is the value of k in (2k+4)/10=(k-2)/3
a. 1 1/3
b. 2
c. 6
d. 8

3. What values of x makes this equation true?
x/(2x-5)=2/(x-3)

a. x=2 and x=5
b. x=2 and x= -5
c. x= -2 and x=5
d. x= -2 and x= -5

4. Solve the equation below for a.
4/(a+9) + 2/a = 15/5a

a. 3
b. 9
c. 15
d. 454

Answer 1

5. Solve the equation below for x.
x/(16-x)=2/(x+2)

a. x=2 and x=8
b. x=4 and x= -8
c. x=8 and x= -4
d. x= 8 and x=2

6. Solve the equation below for x.
24/(x-3) - 30/(x+3) = 120/(x+3)(x-3)

a. 3
b. 4
c. 5
d. 7

7.Solve the equation below for b.
(2-b)/30 = (17+2b)/45

a. 6
b. 4
c. -4
d. -6

8. Solve the equation below for x.
(12-2x)/x = (x+1)/2

a. x=6 and x= -4
b. x=3 and x= -8
c. x= -3 and x=8
d. x= -6 and x=4

Answer 2

For the first 2, cross multiply then solve for the variable.