- (5,7 - 2,9x) - (3,8x - 3,7) = - 4,9x- 5,7 + 2,9x - 3,8x + 3,7 = -4,9x-0,9x - 2 = -4,9x4,9x - 0,9x = 24x = 2x = 2 : 4x = 0,5---------------------------------(3,6x + 2,5) - (1,8x + 2,3) = 1,6x3,6x + 2,5 - 1,8x - 2,3 = 1,6x1,8x + 0,2 = 1,6x1,8x - 1,6x = -0,20,2x = -0,2x = -1----------------------------(7,4x - 12,3x) - (1,56 - 2,3x) = 2,6x7,4x - 12,3x - 1,56 + 2,3x = 2,6x-2,6x - 1,56 = 2,6x2,6x + 2,6x = -1,565,2x = -1,56x = -1,56 : 5,2x = -0,3----------------------------------- (4,1x - 5,5x) - (7,3x + 3,6) = - 5,3x-4,1x + 5,5x - 7,3x - 3,6 = -5,3x-5,9x - 3,6 = -5,3x5,9x - 5,3x = -3,60,6x = -3,6x = -3,6 : 0,6x = -6-------------------------- (3,3x + 1,2) - (0,7x + 1,6) = 0-3,3x - 1,2 - 0,7x - 1,6 = 0-4x - 2,8 = 0-4x = 2,8x = -2,8 : 4x = -0,7-------------------------------------24x+8=15-100;24x + 8 = -8524x = -85 - 824x = -93x = -93 : 24x = -3,875-----------------------------76-45x=94x-341;94x + 45x = 76 + 341139x = 417x = 417 : 139x = 3--------------------------24x-12(7+x)=16-8x;24x - 84 - 12x = 16 - 8x12x - 84 = 16 - 8x12x + 8x = 16 + 8420x = 100x = 100:20x = 5-----------------------------15(4y-3)+37y=42y-111;-60y + 45 + 37y = 42y - 111-23y + 45 = 42y - 11142y + 23y = 45 + 11165y = 156y = 156 : 65y = 2,4-----------------------------------------– (10x-18)+19(4+3x)=9-21(x+7)+4(18-3x).-10x + 18 + 76 + 57x = 9 - 21x - 147 + 72 - 12x47x + 94 = -33x - 6647x + 33x = -66 - 9480x = -160x = -160 : 80x = -2