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Mathematics
Roger
7 November, 15:50
Y = 6x
2x + 3y = - 20
substitution
+1
Answers (
1
)
Amaris Salazar
7 November, 17:36
0
Answer: x = - 1, y = - 6
Step-by-step explanation:
y = 6x
2x + 3y = - 20
Substitute 6x for "y" in the second equation:
2x + 3 (6x) = - 20
2x + 18x = - 20
20x = - 20
x = - 1
Next, substitute - 1 for "x" in the first equation:
y = 6 (-1)
y = - 6
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