Answer: x 2 + 10 x − 24 < 0 − 4 5 x + 1 25 = 0
y − 2 ( 3 y + 4 ) = 4 y + 20
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Step-by-step explanation:
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Answer:
x = -4 ; y =-2
Step-by-step explanation:
10 x - 20 y = 0
-x - 10 y = 24
-x = 24 + 10 y
Therefore x = - (24 +10 y)
x = -24 -10 y
10 x - 20 y = 0
10 ( -24 -10 y) - 20 y = 0
-240 -100 y -20 y = 0
- 240 -120 y = 0
- 240 = 120 y
Therefore y = -([tex]\frac{240}{120}[/tex])
y = - 2
so x = -24 -10 ( -2)
= - 24 +20
x = -4
∴ x = -4 ; y =-2
