Pomóżcie plis

-2m + 7 = m – 6

6 – 5x = 2x – 7

-5t + 1 = 8 – 6t

-2z + 3 = z – 8

3y – 7 = 5y + 1

2(x + 4) – 6 = 3(x - 2) + 7

-3(y + 1) + 6y = -2(y – 1)

7(2k + 1) – 5 = -3(5 – 4k) – 11k

4(z + 2) – 3(z – 1) = -2(z – 2) +3(z + 4)