Odpowiedź :
Odpowiedź:
x-2x+3/4=5(0,1x-0,15)
= x - 2x + 3/4 = 51/10x - 515/100
= x - 2x - 51/10x = -515/100 - 3/4 =
-x - 51/10x = -1265/100
5x-8/2-3x+2/4=10,5x-1/6
= 5x - 3x - 10,5 x = -1/6 - 2/4 + 8/2
= 2x - 105/10x = -2/12 - 6/12 + 48/12
= -103/10x = 40/12