解方程: 24+(3/8x-4)+(3/8x-4)*3/5=x

问题描述:

解方程: 24+(3/8x-4)+(3/8x-4)*3/5=x

24-x+(1+3/5)*(3/8x-4)=0;
24-x+3/5x-32/5=0;
88/5-2/5x=0;
x=44.

24+(3/8x-4)+(3/8x-4)*3/5=x
24+3x/8-4+9/x40-12/5=x;
16x/40=88/5;
x=44

24+(3/8x-4)+(3/8x-4)*3/5=x
24+8/5﹙3/8x-4﹚=x
24+0.6x-6.4=x
x-0.6x=24-6.4
0.4x=17.6
x=44