Odpowiedź:
a) -6c - (3c+2) = -6c-3c-2 = -9c-2
b) 7x - 8 - (5x+6) = 7x - 8 -5x - 6 = 2x-14
c) 9y - (8 - 3y) + 16 = 9y - 8 + 3y = 12y-8
d) 5x - (2-4x) + 8x - 7 = 5x - 2+4x+8x-7= 17x-9
Szczegółowe wyjaśnienie:
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Odpowiedź:
a) -6c - (3c+2) = -6c-3c-2 = -9c-2
b) 7x - 8 - (5x+6) = 7x - 8 -5x - 6 = 2x-14
c) 9y - (8 - 3y) + 16 = 9y - 8 + 3y = 12y-8
d) 5x - (2-4x) + 8x - 7 = 5x - 2+4x+8x-7= 17x-9
Szczegółowe wyjaśnienie: