解方程 3.2X-4(3/8)=1(3/5)X+3.625

问题描述:

解方程 3.2X-4(3/8)=1(3/5)X+3.625

205/104

3.2X-4(3/8)=(3/5)X+3.625
3.2x-1.5=0.6x+3.625
3.2x-0.6x=3.625+1.5
2.6x=5.125
x=5.125/2.6

合并同类项得
1.6X=4.375+3.625
1.6X=8
X=5

3.2x-3/2=0.6x+3.625
2.6x=3.625+1.5
2.6x=5.125
x≈2