Answer:
don't
Step-by-step explanation:
please send me only
{(2, 3), (1, 5), (2, 7)} - NOT because 2->3 and 2->7
{(11, 9), (11, 5), (9, 3)} - NOT because 11->9 and 11->5
{(3, 8), (0, 8), (3, -2)}
- NOT because 3->8 and 3->-2
{(-1, 5), (-2, 6), (-3, 7)} - YES
Solve the following system using elimination:
{5 y - 2 x = -42 | (equation 1)
7 x + 2 y = 30 | (equation 2)
Swap equation 1 with equation 2:
{7 x + 2 y = 30 | (equation 1)
-(2 x) + 5 y = -42 | (equation 2)
Add 2/7 × (equation 1) to equation 2:
{7 x + 2 y = 30 | (equation 1)
0 x+(39 y)/7 = (-234)/7 | (equation 2)
Multiply equation 2 by 7/39:
{7 x + 2 y = 30 | (equation 1)
0 x+y = -6 | (equation 2)
Subtract 2 × (equation 2) from equation 1:
{7 x+0 y = 42 | (equation 1)
0 x+y = -6 | (equation 2)
Divide equation 1 by 7:
{x+0 y = 6 | (equation 1)
0 x+y = -6 | (equation 2)
Collect results:
Answer: {x = 6, y = -6
Answer:
the answer is 15 I just took the assessment
