4*(x-2)+20x-4=5*(1-2X)这道方程怎么答
问题描述:
4*(x-2)+20x-4=5*(1-2X)这道方程怎么答
答
4*(x-2)+20x-4=5*(1-2X)
4x-8+20x-4=5-10x
24x+10x=5+12
34x=17
x=1/2
答
4X-8+20X-4=5-10X
24X-12=5-10X
34X=17
X=0.5
答
4×(x-2)+20x-4=5×(1-2X)
4x-8+20x-4=5-10x
24x-12=5-10x
34x=17
x=1/2