QueenNerdy889
12.08.2020 •
Mathematics
What is the solution to the system of equations? -2x-3y+z=-6, z=6, 3x-y+z=13
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Ответ:
B is the correct answer.
Step-by-step explanation:
-2x+3y+z=-6
z=6
-2x+3y+6=-6
-2x+3y=-12
-2(3)+3(2)
-6+6=0 A is incorrect
-2(3)+3(-2)=-12
-6-6=-12
B is the correct answer.
I am not going to show C or D, because you have the right answer. Hope this helps you. Thank you.
Ответ: