(6x+180)=1.5(5x+30)的解,
问题描述:
(6x+180)=1.5(5x+30)的解,
答
先把等号左边括号里面提出一个6就很简单的了,解是90
答
90
答
(6x + 180) = 1.5(5x + 30)
6(x + 30) = 1.5(5x + 30)
4(x + 30) = 5x + 30
4x + 120 = 5x + 30
x = 90