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3x - 5y = 29 I x2 = 6x - 10y = 58 +
26x = 78
x = 3
4x + 2y = 4
12 + 2y = 4
2y = -8
y = -4
2x - 3y = 2 x 3 - 3 x -4
= 6 + 12 = 18