解下列方程:例8—2x=9—4x 方程两边都加上4x得8—2x+4x=9—4x+4x 合并同类项得8+2x=9 两边都除以2得x=28—5x=x—22x+3=11+3分之1x3—2x=1—3x3—5x=x+93—2分之1x=4x3—(4x—3)=72(2x—1)=1—(3—x)3x—
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 18:31:27
![解下列方程:例8—2x=9—4x 方程两边都加上4x得8—2x+4x=9—4x+4x 合并同类项得8+2x=9 两边都除以2得x=28—5x=x—22x+3=11+3分之1x3—2x=1—3x3—5x=x+93—2分之1x=4x3—(4x—3)=72(2x—1)=1—(3—x)3x—](/uploads/image/z/997541-53-1.jpg?t=%E8%A7%A3%E4%B8%8B%E5%88%97%E6%96%B9%E7%A8%8B%EF%BC%9A%E4%BE%8B8%E2%80%942x%3D9%E2%80%944x+%E6%96%B9%E7%A8%8B%E4%B8%A4%E8%BE%B9%E9%83%BD%E5%8A%A0%E4%B8%8A4x%E5%BE%978%E2%80%942x%2B4x%3D9%E2%80%944x%2B4x+%E5%90%88%E5%B9%B6%E5%90%8C%E7%B1%BB%E9%A1%B9%E5%BE%978%2B2x%3D9+%E4%B8%A4%E8%BE%B9%E9%83%BD%E9%99%A4%E4%BB%A52%E5%BE%97x%3D28%E2%80%945x%3Dx%E2%80%9422x%2B3%3D11%2B3%E5%88%86%E4%B9%8B1x3%E2%80%942x%3D1%E2%80%943x3%E2%80%945x%3Dx%2B93%E2%80%942%E5%88%86%E4%B9%8B1x%3D4x3%E2%80%94%EF%BC%884x%E2%80%943%EF%BC%89%3D72%EF%BC%882x%E2%80%941%EF%BC%89%3D1%E2%80%94%EF%BC%883%E2%80%94x%EF%BC%893x%E2%80%94)
xRKN0Qd RܻP/+@Uh@ꢢU" b9m4U[HQ7o2qX-U;IOj2PP)fJFYOukzu:RC]o6^0#5~"@
NƊ B