1.
What best describes the equation 14 - 2
x
+ 10?
A.
true
B.
none of these
C.
open
D.
false
Hint
2.
What best describes the equation 10 ÷ 4 = 2?
A.
open
B.
true
C.
false
D.
none of these
Hint
3.
Which is a solution to the equation
w
+ 5 = 12?
A.
7
B.
17
C.
6
D.
8
Hint
4.
Which is a solution to the equation 3
y
+ 4 = 10?
A.
3
B.
1
C.
2
D.
4
Hint
5.
What best describes the equation
A.
none of these
B.
open
C.
false
D.
true
Hint