Помогите пожалуйста срочно
3) 12 - 4(x-3) = 39-9x 12-4x+12 = 39-9x 24-4x = 39-9x -4x+9x = 39-24 5x = 15 x = 5 4) 2(3x+5)-3(4x-1) = 11,8 6x+10-12x+3 = 11,8 -6x+13 = 11,8 -6x = 11,8-13 -6x = -1,2 x = 0,2
12-4(x-3)=39-9x 3(x-3)=39-9x x-3+9x=39-3 8x=36+3 8x=39 x=4.8 2)2(3x+5)-3(4x-1)=11.8 6x+10-12x+3=11.8 -6x=11.8-10 -6x=1.8 x= -0.3