Which ordered pair (a, b) is the solution to the following system of equations?
1 answer:
Answer:
(-13, -4)
Step-by-step explanation:
It is about as easy to try the solutions as it is to find them from scratch.
__
However, we can determine which one it is by adding twice the second equation to the first.
(-2a +3b) +2(a -4b) = (14) +2(3)
-5b = 20
b = -4 . . . . . . matches the first choice
You might be interested in
X= -10
You may review the image Ive attached to see how I got this answer.
Let the unknown variable be x.
5627x=41
x=41/5627
640/79=8...8
79 goes through 640 8 times
Answer:
The answer is 4,264.
Step-by-step explanation:
