解方程2X-(X+3(X-5)=75
问题描述:
解方程2X-(X+3(X-5)=75
答
你的题是不是下面的
2X-[X+3(X-5)]=75
2X-(X+3X-15)=75
2X-4X+15=75
-2X+15=75
2X=15-75
2X=-60
X=-30
答
2x-(x+3x-15)=75
2x-x-3x+15=75
-2x=75-15
-2x=60
x=-30
答
2X-(X+3(X-5))=75
2X-(X+3X-15)=75
2X-(4X-15)=75
2X-4X+15=75
-2X=60
X=-30
答
2x-(4x-15)=75
2x-4x+15=75
-2x=60
x=-30