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Mathematics
, 27.10.2019 04:43,
Jasten
Use a graph and a table to solve the system. check your answer.
{y−x=5
{3x+y=1
(4, -1)
(1, -4)
(-1, 4)
(-4, 1)
Answers: 2
Show answers
Answers
answered:
AAlexis1429
Y - x = 5 . . . (1)
3x + y = 1 . . . (2)
From (1), y = 5 + x . . . (3)
Putting (3) into (2), gives
3x + 5 + x = 1
4x = 1 - 5 = -4
x = -4/4 = -1
From (3), y = 5 + (-1) = 5 - 1 = 4
Therefore, solution is (-1, 4)
answered: Guest
the correct answer is 5 6 and 7
answered: Guest
Answer is a not really sure tho
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Do you know the correct answer?
Use a graph and a table to solve the system. check your answer.
{y−x=5
{3x+y=1
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