natem725
30.08.2019 •
Mathematics
What is the solution to this system of linear equations?
y − 4x = 7
2y + 4x = 2
(3, 1)
(1, 3)
(3, −1)
(−1, 3)
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Ответ:
{2y + 4x = 2
+
3y = 9
{y = 3
{3 - 4x = 7
{-4x = 4
{y = 3
{x=-1
{y=3
The (-1;3)
:)
Ответ:
42
Step-by-step explanation:
I took the test and got it correct.