解方程4x一3二14一3x？ 解方程：3x+2=4x-1
\u89e3\u65b9\u7a0b\uff1a\uff081\uff094x+3\uff082x-3\uff09=12-\uff08x+4\uff09\uff1b\uff082\uff095x?14\uff1d3x+12?2?x3\uff081\uff094x+3\uff082x-3\uff09=12-\uff08x+4\uff09\uff0c\u53bb\u62ec\u53f7\u5f97\uff1a4x+6x-9=12-x-4\uff0c10x-9=8-x\uff0c\u79fb\u9879\u5f97\uff1a10x+x=9+8\uff0c\u5408\u5e76\u540c\u7c7b\u9879\u5f97\uff1a11x=17\uff0c\u7cfb\u6570\u53161\u5f97\uff1ax=1711\uff1b\uff082\uff095x?14\uff1d3x+12?2?x3\u53bb\u5206\u6bcd\u5f97\uff1a3\uff085x-1\uff09=6\uff083x+1\uff09-4\uff082-x\uff09\u53bb\u62ec\u53f7\u5f97\uff1a15x-3=18x+6-8+4x15x-3=22x-2\u79fb\u9879\u5f97\uff1a15x-22x=3-2\u5408\u5e76\u5f97\uff1a-7x=1\uff0c\u5316\u7cfb\u6570\u4e3a1\u5f97\uff1ax=-17\uff0e
\u89e3 \uff1a
\u539f\u5f0f\uff1a 3x+2=4x-1
\u79fb\u9879\uff0c\u5f97 -x=-3
\u7cfb\u6570\u5316\u4e3a\u4e00\uff0c\u5f97 x=3
\u671b\u91c7\u7eb3\uff08\u672c\u8fc7\u7a0b\u4e25\u683c\u6309\u7167\u521d\u4e2d\u6807\u51c6\u6b65\u9aa4\u5b8c\u6210\uff09
\u5c0f\u5b66\u6b65\u9aa4\uff1a
\u89e3\uff1a 3x+2-2=4x-1-2
3x=4x-3
x=3
\u671b\u91c7\u7eb3\uff08\u672c\u8fc7\u7a0b\u4e25\u683c\u6309\u7167\u5c0f\u5b66\u6807\u51c6\u6b65\u9aa4\u5b8c\u6210\uff09
解：4X+3X=14+3
7X=17
X=17÷7
X=17/7
7x=17
x=17/7
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