1) 5х – 2 = 8
2) 7(2x – 3) – x = 3х – 11
3) 2(х – 4) = 15
4) – 4х + 34 = - 2(х – 5)
5) 12 – 3х = 7
6) – 5х + 12(х – 1) = 2 помогите плиз