(1)(5/9)X - 28 = X - 132 (2) 3/4x+(176-x)/2=176-65

问题描述:

(1)(5/9)X - 28 = X - 132 (2) 3/4x+(176-x)/2=176-65
解方程

(1):(5/9)X-28=X-132
X-(5/9)X=132-28
4/9X=104
X=234
(2):3/4X+(176-X)/2=176-65
3/4X-1/2X=176-65-176/2
1/4X=23
X=92