(X-16)/(X-28)=2方程怎么解?

问题描述:

(X-16)/(X-28)=2方程怎么解?

x-16=2(x-28)
x=40

(X-16)/(X-28)=2
X-16=2X-56
X-2X=-56+16
-X=-40
X=40