Question

Question 3
Solve for d.

13d + 4 = 43

Question 3 options:

A3


B13


C39


DNone of the above

Question 4
Solve for r.

4r - 6 = 30

Question 4 options:

A4


B8


C6


D9

Question 5
Solve for u.

126 = 6u

Question 5 options:

A6


B21


C20


DNone of the above.

Answer 1

Question 3 
Solve for d.

13d + 4 = 43
13d = 39
    d = 3

answer
A. 3

Question 4 
Solve for r.

4r - 6 = 30
4r = 36
  r = 9

answer

D. 9


Question 5 
Solve for u.

126 = 6u
u = 126/6
u = 21

answer

B. 21