(x-9)/11-(x+2)/3=(x-1)-(x-2)/2的答案是多少啊
问题描述:
(x-9)/11-(x+2)/3=(x-1)-(x-2)/2的答案是多少啊
解得过程
答
X/11-9/11-X/3-2/3=X-1-X/2+1 X/11-X/3-X/2=2/3+9/11 6X/66-22X/66-33X/66=49/33 -49X/66=49/33 X=-2