rozwiaz rownania 2(x-4)=2x+5-13 12(x-3)+1=4(x+2)-4

2(x-4) = 2x + 5 - 13 2x - 8 = 2x + 5 - 13 2x - 2x = 8 + 5 - 13 0 = 13 - 13 0 = 0 tożsamość ———————————————————————— 12(x-3) + 1 = 4(x+2) - 4 12x - 36 + 1 = 4x + 8 - 4 12x - 4x = 36 - 1 + 8 - 4 8x = 35 + 8 - 4 8x = 43 - 4 8x = 39 |:8 x = 4,875