Asked by Anonymous

which of the following is an example of an open equation?
5x + 7 = 12
12 + (-8) = 4
25 = 5(5) *********
8+0=8

which of the following equations has a 3 as a solution
-2b = 6
4a - 5 = 12
5y = y + 8
z - 15 = -12 ******
plz check my answers
Answered by Henry
An open Eq. must have a variable:
1. 5x + 7 = 12.

2. Correct.
Answered by Bob
Ya baby
Answered by KDA
short answer essay....
Answered by annonymous
thanks
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