Temat:Rozwiązywanie równań Zad.2/176 d)-(2x-1)=4 e)2(x+1)=x f)2t-(3t+1)=6 g)-(4+x)=2(3-x) h)3(y+6)-y=2(y+9) i)(x-7)-2(3x+5)=3

d)-(2x-1)=4 -2x +1 = 4 -2x = 4-1 -2x = 3 / : (-2) x = -³/₂ x = -1½ e)2(x+1)=x 2x+2 = x 2x - x = -2 x = -2 f)2t-(3t+1)=6 2t-3t-1 = 6 2t-3t = 6+1 -t = 7 / :(-1) t = -7 g)-(4+x)=2(3-x) -4-x = 6 - 2x -x+2x = 6+4 x = 10 h)3(y+6)-y=2(y+9) 3y+18-y = 2y+18 3y - y-2y = 18-18 0=0 i)(x-7)-2(3x+5)=3 x-7-6x-10 = 3 x-6x = 3+7+10 -5x = 20 / :(-5) x = -4