Решить уравнение 1целая 1/4*(3у-1)=-2/3*(9-8у)
1 1/4(3y-1) = -2/3(9-8y) 5/4×3y-5/4= -2/3×9+2/3×8y 15/4y-5/4= -6+16/3y 15/4y-16/3y= -6+5/4 45/12y-64/12y= -24/4+5/4 19/12y=24/4-5/4 19/12y=19/4 y=19/4×12/19=3