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-2x - 3y = -3 -
5y = 1
y = 0,2
-2x + 2y = -2 | × 3 | ⇒ -6x + 6y = -6
-2x - 3y = -3 | × 2 | ⇒-4x - 6y = -6 +
-10x = -12
x = 1,2