4x=184 x+1.5x=10 4(x+2.4)=24.8
x=184/4 2.5x=10 x+2.4=24.8/4 检验：左边=4（x+2.4)=4*(3.8+2.4)
x=46 x=10/2.5 x=6.2-2.4 =4*6.2
x=4 x=3.8 =24.8
=右边