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Burch
Mathematics
28 January, 18:54
What is y = - 2/5x-2 y=-4
+4
Answers (
1
)
Blaine Chambers
28 January, 19:03
0
y=-4 and x=5
Step-by-step explanation:
y=-4; y = (
(-2)
5
) (x) - 2
Step: Solvey=-4for y:
Step: Substitute-4foryiny=
-2
5
x-2:
y=
-2
5
x-2
-4=
-2
5
x-2
-4+
2
5
x=
-2
5
x-2+
2
5
x (Add 2/5x to both sides)
2
5
x-4=-2
2
5
x-4+4=-2+4 (Add 4 to both sides)
2
5
x=2
2
5
x
2
5
=
2
2
5
(Divide both sides by 2/5)
x=5
Answer:
y=-4 and x=5
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