1. (10x – 5y +1) : 5 = 2x - y + 1/5
2. 3 · (ab +2a) = 3ab + 6a
3. (3d -9) · (-1) = -3d + 9
4. (3m + 6) : 6 = 1/2m + 1
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1. (10x – 5y +1) : 5 = 2x - y + 1/5
2. 3 · (ab +2a) = 3ab + 6a
3. (3d -9) · (-1) = -3d + 9
4. (3m + 6) : 6 = 1/2m + 1