数学啊.高手帮忙解方程要详细的6x+6X8=72(x+8)X6=728(x-2.6)=328x-8X2.6=320.3X7+4x=12.51.6x-24X2=369x+3x=3.69x-3x=3.68x-0.5x=1204.5-x=142.8x+7x=44.1x+5.5x=13要过程

Question

数学啊.高手帮忙
解方程要详细的
6x+6X8=72 (x+8)X6=72 8(x-2.6)=32 8x-8X2.6=32 0.3X7+4x=12.5 1.6x-24X2=36 9x+3x=3.6 9x-3x=3.6 8x-0.5x=120 4.5-x=14 2.8x+7x=44.1 x+5.5x=13
要过程

Answer 1

6x+6X8=72 6x+48=72 6x=72-48 6x=24 x=24/6 x=4
(x+8)X6=72 6x+48=72 6x=72-48 6x=24 x=24/6 x=4
8(x-2.6)=32 8x-8X2.6=32 8x-20.8=32 8x=32+20.8 8x=52.8 x=6.6
8x-8X2.6=32 8x-20.8=32 8x=32+20.8 8x=52.8 x=6.6
0.3X7+4x=12.5 2.1+4x=12.5 4x=12.5-2.1 4x=10.4 x=2.6
1.6x-24X2=36 1.6x=36+24X2 1.6x=84 x=52.5
9x+3x=3.6 12x=3.6 x=3.6/12 x=0.3
9x-3x=3.6 6x=3.6 x=0.6
8x-0.5x=120 7.5x=120 x=120/7.5 x=16
4.5-x=14 4.5-14=x x=-9.5
2.8x+7x=44.1 9.8x=44.1 x=44.1/9.8 x=4.5
x+5.5x=13 6.5x=13 x=2 - -!