University of Pretoria Compute the Vaues Algebra Questions

Algebra Questions1. 5x + 3 = 7x – 1. Find x
a. 1/3
b. ½
c. 1
d. 2
2. 5x + 2(x + 7) = 14x – 7. Find x
a. 1
b. 2
c. 3
d. 4
3. 12t – 10 = 14t + 2. Find t
a. -6
b. -4
c. 4
d. 6
4. 5(z + 1) = 3(z + 2) + 11 Solve for Z
a. 2
b. 4
c. 6
d. 12
5. The price of a book went up from $20 to $25. By how many percent did the price
increase?
a. 5
b. 10
c. 20
d. 25
6. The price of a book decreased from $25 to $20. By how many percent did the price
decrease?
a. 5
b. 10
c. 20
d. 25
7. After taking several practice tests, Brian improved the results of his GRE test by 30%.
Given that the first time he took the test Brian had answered 150 questions correctly, how
many correct answers did he answer in the second test?
a. 105
b. 120
c. 180
d. 195
8. A number is increased by 2 and then multiplied by 3. The result is 24. What is this
number?
a. 4
b. 6
c. 8
d. 10
9. My father’s age divided by 5 is equal to my brother’s age divided by 3. My brother is 3
years older than me. My father’s age is 3 less than 2 times my age. How old is my father?
a. 34
b. 45
c. 56
d. 61
10. (x – 2) / 4 – (3x + 5) / 7 = – 3, x = ?
a. 6
b. 7
c. 10
d. 13
11. 1 / (1 + 1 / (1 – 1/x)) = 4, x = ?
a. – 3/4
b. 3/7
c. 4/7
d. 3/4