Oblicz wartość "x": a) (x+2)6=0,5x b) 0,1(x+2) =0,2x c) 0,3x-2(0,1x+1)=0 d)0,5(x-3) + 0,25 (2x+6)=5

a) (x+2)6=0,5x 6x + 12 = 0,5x 12x + 24 = x 11x = - 24 x = -24/11 b) 0,1(x+2) =0,2x x + 2 = 2x x = 2 c) 0,3x-2(0,1x+1)=0 3x - 20(0,1x + 1) = 0 3x - 2x - 20 = 0 x = 20 d) 0,5(x-3) + 0,25 (2x+6)=5 2(x-3) + 2x + 6 = 20 2x - 6 + 2x + 6 = 20 4x = 20 x = 5