3x+25=55

　　百科上有很多的：

　　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)]=225.2[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)=1009.4(x+2)=5(x-2)10.120-4(x+5)=2511.15x+863-65x=5412.3(x-2)+1=x-(2x-1)13.11x+64-2x=100-9x14.14.59+x-25.31=015.x-48.32+78.51=8016.820-16x=45.5×817.(x-6)×7=2x18.3x+x=1819.0.8+3.2=7.220.12.5-3x=6.521.1.2(x-0.64)=0.5422.x+12.5=3.5x23.8x-22.8=1.224.501x+10=6025.602x-30=2026.33x+50=11027.2x=5x-328.90=10+x29.90+20x=3030.691+3x=70031.x+5=832.3x＋5(138－x)=54033.x-5=334.2x-10.3x=1535.0.52x-(1-0.52)x=8036.23x+32x=737.3x+7=32-2x38.3x+5(138-x)=54039.3x-7(x-1)=3-2(x+3)40.18x+3x-3=18-2(2x-1)41.3(20-y)=6y-4(y-11)42.-(4x-1)=543.3[4(5y-1)-8]=644.2(x-2)+2=x+145.2(x-2)-3(4x-1)=9(1-x)46.3x-5=2)5(x��47.3)1(2+x=6)1(5+x-148.51x+1=412+x49.7(2x-1)-3(4x-1)=4(3x+2)-1;50.(5y+1)+(1-y)=(9y+1)+(1-3y);51.[(1/4x-3)-4]=x+2;52.20%+(1-20%)(320-x)=320×40%53.2(x-2)+2=x+154.2(x-2)-3(4x-1)=9(1-x)55.11x+64-2x=100-9x56.15-(8-5x)=7x+(4-3x)57.3(x-7)-2[9-4(2-x)]=2258.3/2[2/3(1/4x-1)-2]-x=259.xx413243��=+;60.(x＋1)－3(x－1)=1－3

　　为改善生态环境，避免水土流失，某村积极植树造林，原计划每天植树60棵，实际每天植树80棵，结果比预计时间提前4天完成植树任务，则计划植树多少棵．

　　0x=0