Rozwiąż równania 8(x+2)=5(x+5) 2(x-2)=x-2 6x-(x-1)=6 2(x-1)+3(x-2)=7 3(x-1)=0 -7(x-2)=3x-1 4(x-1)=6(1+x) -(2x-1)=4

Proszę bardzo :) Sama przyjemność.  8(x+2)=5(x+5) 8x + 16 = 5x + 25 8x - 5x = 25 - 16 3x = 9 x = 3       2(x-2)=x-2 2x - 4 = x - 2 2x -x = - 2 + 4 x = 2       6x-(x-1)=6 6x - x + 1 = 6 5x = 6 - 1 5 x = 5 x=1       2(x-1)+3(x-2)=7 2x -2 + 3x - 6 = 7 5x = 7 + 2 + 6 5x = 15 x = 3       3(x-1)=0 3x - 3 = 0 3x = 3 x = 1       -7(x-2)=3x-1 -7x + 14 = 3x -1 -7x - 3 x = -1 -14 -10x = -15 10x = 15 x = 1,5       4(x-1)=6(1+x) 4x - 4 = 6 + 6x 4x - 6x = 6 - 4 -2 x = 2 x = -1       -(2x-1)=4 -2x + 1 = 4 -2x = 4 - 1 -2x = 3 2x = -3 x = -3/2