5(х+2)=2(12-х) 2(4-3х)+3(х-2)=3
5(х+2)=2(12-х) 5x+10=24-2x 5x+2x=24-10 7x=14 x=14:7 x=2 2(4-3х)+3(х-2)=3 8-6x+3x-6=3 2-3x=3 -3x=3-2 -3x=1 x=-1:3 x=-1/3
5х + 10 = 24- 2х 5х + 2х = 24 - 10 7x = 14 x = 14:7 x = 2 ————- 8 - 6x + 3x - 6 = 3 2 - 3x = 3 -3x = 3-2 -3x = 1 x = 1 : (-3) x = -1/3