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1、解方程2
5x+34=3x+54 7x-27=13-3x
7.4-(x-2.1)=6 5x-36=2x+12
1.12x+(x-3)+x=153 14x÷3=6.3×4
2(x-2)+2=x+1 11x+64-2x=100-9x
18x+3x-3=18-2(2x-2) 1.5x+18=3x
25000+x=6x 12x=256-4x
2、3(x+3)=50-x+3 23x=14x+9
x-0.8x=6-0.1x 12x+8(x-2)=4.8
7(x-2)=49-14x 2(5+x)+2x=34
3(x+2)=9x 3(x-5)+9=18-3x
4(100-x)=16x 27+5x=31+3x
5(4x-10)=10x+5 2(3x+12)=36+3x
3、
3.6x-4.8=1.2x 5-8x=4
16.9÷x=1. 3 x÷1.5-1.25=0.75
3.5-5x=2 (x-3)÷2=7.5
75.6÷x=12.6 0.1(x+6)=3.3×0.4
(x-140)÷70=4 0.52x-(1-0.52)x=0.04
23(x-2)=14
4、x+8? x-0.8x=10(6-0.1x)?
12x+8(x-2)=4.8? 7(x-2)=49-14x?
4(8+x)+2x=38 3(x+2)=9x?
3(x-5)+9=18-3x? 5(200-x)=15x
(x-3)÷2=7.5? (x-140)÷70=4
22(x-2)=13x+10 x-0.6x=12(6-0.1x)?
11x+8(x-0.2)=4.1? 8(x-2)=50-14x?
3(8+x)+x=36? 5(x+2)=9x?
11(x-5)+9=18-5x? 5(22-x)=15x
1.2(x-2)=1.6-0.8x? 1.2 x-0.8x=26(6-0.1x)?