谁能帮下我把下面30道一元一次方程解了1.2(x-2)-3(4x-1)=9(1-x)2.11x+64-2x=100-9x3.15-(8-5x)=7x+(4-3x)4.3(x-7)-2[9-4(2-x)]=225.3/2[2/3(1/4x-1)-2]-x=26.2(x-2)+2=x+17.0.4(x-0.2)+1.5=0.7x-0.388.30x-10(10-x)=2023.4(x+2)=5(x-2
<p>问题:谁能帮下我把下面30道一元一次方程解了1.2(x-2)-3(4x-1)=9(1-x)2.11x+64-2x=100-9x3.15-(8-5x)=7x+(4-3x)4.3(x-7)-2=225.3/2-x=26.2(x-2)+2=x+17.0.4(x-0.2)+1.5=0.7x-0.388.30x-10(10-x)=2023.4(x+2)=5(x-2)10.120<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">刘朝军的回答:<div class="content-b">网友采纳 2(x-2)-3(4x-1)=9(1-x) 2x-12x+9x=4-3+9 -x=10 x=-10 11x+64-2x=100-9x11x-2x+9x=-64+100 18x=36 x=2 15-(8-5x)=7x+(4-3x)15-8+5x=7x+4-3x 5x-7x+3x=-15+8+4 x=-3 3(x-7)-2=22 3x-21-2-8x=22 3x-8x=22+21+2 -5x=45 x=-93/2-x=2 1/4x-1/2-1/3-x=2 1/4x-x=2+1/2+1/3 3/4x=17/6 x=34/92(x-2)+2=x+1 2x-4+2=x+1 2x-x=4-2+1 x=3 0.4(x-0.2)+1.5=0.7x-0.38 0.4x-0.08+1.5=0.7x-0.38 0.4x-0.7x=0.08-1.5-0.38 -0.3x=-4.5 x=1530x-10(10-x)=100 30x-100+10x=100 30x+10x=100+100 40x=200 x=5 4(x+2)=5(x-2) 4x+8=5x-10 4x-5x=-8-10 -x=-18 x=18120-4(x+5)=25 120-4x-20=25 -4x=-120+20+25 x=18.7515x+863-65x=54 -50x=-809 x=16.1812.3(x-2)+1=x-(2x-1) 12.3x-24.6+1=x-2x+1 12.3x-x+2x=24.6-1+1 13.3x=24.6 x=246/13311x+64-2x=100-9x 11x-2x+9x=-64+100 18x=36 x=214.59+x-25.31=0 x=﹣14.59+25.31 x=10.72x-48.32+78.51=80 x=48.32+80-78.52 x=49.8820-16x=45.5×8 -16x=(x-6)×7=2x 3x+x=18 0.8+3.2=7.2 12.5-3x=6.5 1.2(x-0.64)=0.54 x+12.5=3.5x 8x-22.8=1.2 150x+10=60 260x-30=20 33^20x+50=110 42x=5x-3 590=10+x 690+20x=30 7691+3x=700
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