Answer: The correct option is (B) 
Step-by-step explanation: We are given the following system of equations :
We are to find the equation that could be the result of using substitution to solve the above system.
Substituting the value of x from equation (i) in equation (ii), we get
Thus, the required equation is
Option (B) is CORRECT.
Answer:
-3x+12-9x+8=-3(4x-7)
-3x+12-9x+8=-12x+21
-12x+21=-12x+21
21=21
infinitely many solutions
hope this helps
have a good day :)
Step-by-step explanation:
Answer:
can u insert a picture plzz
The answer is D Explanation: I learned this already and I had this question before and I got it right
If this is what you have in mind
(1/2)x + 5 = 9
Then solving this is quite simple
1st subtract 5 from both sides
(1/2)x = 4
Now divide 1/2 by both sides
x = 8
