Линейное Уравнение 5(3-2у)-4(9-у)=3(у+5) 14(2х-3)-5(х+4)=2(3х+5)+5х 9(3х-7)+3(8х-11)=3(9х+8) 6(7х-11)-13(х-6)=14(2х+1)
1)15-10y-36+4y=3y+15 2)28x-42-5x-20=6x+10+5x -10y+4y-3y=15-15+36 28x-5x-5x-6x=42+20+10 9y=36 12x=72 y=4 x=6 3)27x-63+24x-33=27x+24 4)42x-66-13x+78=28x+14 27x-27x+24x=24+63+33 42x-13x-28x=14-78+66 24x=120 x=2 x=5