(1/3X-6)+2/3(1/3x-6)+26=x 方程怎么解,
问题描述:
(1/3X-6)+2/3(1/3x-6)+26=x 方程怎么解,
答
l(1/3X-6)+2/3(1/3x-6)+26=x
5/3(1/3x-6)+26=x
两边乘9
5x-90+234=9x
9x-5x=234-90
4x=144
x=144÷4
x=36