Помогите! Нужно решить. :) 1) 4 (2y - 3) = (3y-8) 2) 6 (z+3) = 2 (2z+5) 3) 5 (1-3u) = 20 4) 3 (5-3x) = 6 (x+5) 5) 3 (2y-1) = 9 6) 2 (2z+5) = 3 (5z-4) 7) 6 (3-2v) = 42 8) 5 (s+9) = 3 (3s+19) 9) 15 (2x-3) = 3 (8x-7)

1) 4 (2y - 3) = (3y-8) 8у - 12 - 3у = - 8 5у = 4 у = 0.8 2) 6 (z+3) = 2 (2z+5) 6z + 18 - 4z = 10 2z = - 8 z = - 4 3) 5 (1-3u) = 20 5 - 15u= 20 -15u = 15 u = - 1 4) 3 (5-3x) = 6 (x+5) 15 - 9x - 6x = 30 - 15x = 15 x = - 1 5) 3 (2y-1) = 9 6y - 3 = 9 6y = 12 y = 2 6) 2 (2z+5) = 3 (5z-4) 4z + 10 - 15z = - 12 - 11z = - 22 z = 2 7) 6 (3-2v) = 42 18 - 12v = 42 - 12v = 24 v = - 2 8) 5 (s+9) = 3 (3s+19) 5s + 45 - 9s = 57 - 4s = 12 s = - 3 9) 15 (2x-3) = 3 (8x-7) 30x - 45 - 24x = - 21 6x = 24 x = 4