Odpowiedź:
d) -3(1 - 2y) + 1/2(6 - 12y) = -3 + 6y + 3 - 6y = 0
e) -(x - 2) - 4 (1/2 - x) = -x+2 -2 + 4x = 3x
f) 1 - 3 (1/2x - 2) - 1/2 (1 - 3x) = 1 - 1,5x + 6 - 1/2 + 1,5x = 6,5
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Odpowiedź:
d) -3(1 - 2y) + 1/2(6 - 12y) = -3 + 6y + 3 - 6y = 0
e) -(x - 2) - 4 (1/2 - x) = -x+2 -2 + 4x = 3x
f) 1 - 3 (1/2x - 2) - 1/2 (1 - 3x) = 1 - 1,5x + 6 - 1/2 + 1,5x = 6,5