2,4,6ПЖ ПОМОГИТЕ СРОЧНО

Question

2,4,6ПЖ ПОМОГИТЕ СРОЧНО

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Answer 1

2)-m-(2n+k)=-m-2n-k
4)x+(8y-z)=x+8y-z
6)a-(4b+3c-d)=a-4b-3c+d

Answer 2

2) -m - (2n + k) = -m-2n-k
4) x + (8y - z) = x + 8y - z
6) a - (4b + 3c - d) = a - 4b - 3c + d