1.

3x (x+y-2)=2y;y(x+y-1)=9x​

Answer»

Answer:

3x(x + y - 2) = 2y

y(x + y - 1) = 9x

3x^2 + 3XY - 6x = 2y

xy + y^2 - y = 9x

2xy + 2y^2 - 18x = 2y

3x^2 + 3xy - 6x = 2xy + 2y^2 - 18x

3x^2 + xy + 12X - 2y^2 = 0

SOLUTION:

x = -96/25, y = -24/25Step-by-step explanation:



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