Sample Quiz 14 

7.3
1.  Solve 7x - 5 = 30
ax = 30/7
bx = 7
cx = 5
dnone of the above
2.  Solve 5x  + 2x  -  5 = 10 + 20
ax = 30/7
bx = 5
cx = 7
dnota
7.4  Solve for x.
3.   7( x - 2) = 7
ax = 1
bx = 3
cx = 2
dnota
4.   7( x - 2) + 3    = 10
ax = 3
bx = 1
cx = 2
dnota
5. 9x + 5 = 3x  + 17
a  x = 1
bx =  3
cx = 2
dnota
7.5
6. Translate to math.   The sum of x and 2
a2x
bx + 2
cx/2
dnota
7. Translate to math.   The sum of twice x and 7
a2(x + 7)
b2x + 7
c (2x)7
dnota
8. Translate to math. Five x added to the sum of twice x and 7.
a5x + 7
b5x + 2(x + 7)
c5x + (2x + 7)
dnota
9. If 2 is added to a number the result is 6. What is the the number?
a8
b4
c2
dnota
10. If four times a number is increased by 6 , the result is 18. What is the number?
a12
b3
c4
dnota