Question

（X-45）*60% =45 + （X-45）*40% 怎么解方程

Answer 1

（X-45）*60% =45 + （X-45）*40%

0.6（x-45)=45+0.4(x-45)

0.6x-0.6×45=45+0.4x-0.4×45

0.2x=45+27-18

x=270