35 БАЛЛОВ!!!!! Решите ПОЖАЛУЙСТО!!!!! 3 УРАВНЕНИЯ!!!! 0,3(х-2)=0,6+0,2(х+4) 0,5(х-3)=0,6(4+х)-2,6 0,7+0,3(х+2)=0,4(х-3)
0,3x+8=2 0.3x=2-8 0.3x=-6 x=-6/0.3 x = -202) 4-x=1+4x -x-4x=1-4 -5x=-3 x=-3/(-5) x = 0.63) 7-2(x+3)=9-6x -2x+6x=9-7+6 4x=8 x=8/4 x = 24) 4(x-0.5)-2(x+0.3)=-2.6 4x-2x = -2.6+2+0.6 2x = 0 x=0/2 x = 05) 0.4x-6= -12 0.4x = -12+6 0.4x = -6 x = -6/0.4 x = -156) x+6=5+4x x-4x=5-6 -3x = -1 x = -1/(-3) x = 1/37) 13-3(x+1) = 4-5x -3x +5x = 4-13+3 2x = -6 x = -6/2 x = -38) 0.2(3x-5)-0.3(x-1) = -0.7 0.6x - 0.3x = -0.7+1-0.3 0.3x = 0 x = 0/0.3 x = 0