x/2 + 5/1 = 5x/3 -2/1

X/2 + 5/1 = 5x/3 -2/1 x/2 - 5x/3 = -2/1 - 5/1 x/2 - 5x/3 = -7 mmc = 6 3x/6 - 2.5x/6 = -7.6/6 3x - 10x = -42 -7x = -42 x = -42/-7 x = 6

x/2+5/1=5x/3-2/1 x/2+5=5x/3-2 3x+30=10-12 3x-10x=-12-30 -7x=-42 x=42 espero ter ajudado...