解方程:x-0.5x=0.25

问题描述:

解方程:x-0.5x=0.25

x-0.5x=0.25
(1-0.5)x=0.25
0.5x=0.25
x=0.5

1X-0.5x=0.25
0.5x=0.25
x=0.25除以0.5
x=0.5

1x-0.5x=0.25
(1-.05)x=0.25
0.5x =0.25
x=0.25÷0.5
x=0.5