a) 5x - [ 5x-(6x-2)] + (x-8)
a) 5x - [ 5x-(6x-2)] + (x-8)
Odpowiedź
5x - [ 5x-(6x-2)] + (x-8)
5x - [ 5x-(6x-2)] + (x-8)= 5x-(5x-6x+2)+x-8=5x-5x+6x-2+x-8=7x-10
5x - [ 5x-(6x-2)] + (x-8)= 5x-(5x-6x+2)+x-8=5x-5x+6x-2+x-8=7x-10
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