10-(7-5x)等于2x+(5-3x)
问题描述:
10-(7-5x)等于2x+(5-3x)
答
10-(7-5x)等于2x+(5-3x)
10-7+5x=2x+5-3x
5x-2x+3x=5+7-10
6x=2
x=1/3