4.3X--2.1+3.2X=4.5
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4.3X--2.1+3.2X=4.54.3X--2.1+3.2X=4.54.3X--2.1+3.2X=4.54.3X--2.1+3.2X=4.54.3X+3.2X=4.5+2.17.5X=6.6X=6
4.3X--2.1+3.2X=4.5
4.3X--2.1+3.2X=4.5
4.3X--2.1+3.2X=4.5
4.3X--2.1+3.2X=4.5
4.3X+3.2X=4.5+2.1
7.5X=6.6
X=6.6÷7.5
X=22/25
4.3X--2.1+3.2X=4.5
4.3x-1.5+3.2x =4.5
8x+5x=1.3 4.5x-3.2x=3.9 5.5x-x=9.9 11x-7x-26=34 列方程
4.2-0.6x=3.6x 5x+2x=33.6 7x-4x=0.75 2x+7x+2.1=12 56x-32x-119=361 x+5=2x 3x+9=6x 4x-28=2x 2x+18=7x 5x=25*4-15x 7x-x+2*3=29.4 (28.8+5.5x+3.2）除2=71
3.6x*(2.1-x)=4.8x
（X+X)+(X-X)+(X*X)+(X/X)=100
9x+7x-x=4.5
解方程 8.8x-2.4x=3.2 4.6x+5.4x=10.89 3(x+1.解方程8.8x-2.4x=3.24.6x+5.4x=10.893(x+1.7)=9.6(x-4.5)6=31.8
2.4x-x=2.1
8x-5.5x=7.57.2x÷3.6=2 3x＋6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x＋x=1.8 3.2x＋1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x＋6x=4.5 18x-12x=5.42x-1.6x=3.6 18x＋3x=7×6 1.2x-0.5x=0.71.3x＋2.7x=1 4x-3.2x=6.4 0.8x＋3.2x＋3x=562.8x-2x=7.2
20%x+20%x×30%x-20%x=4.5
6.5x-4.5x=93.6-6.5x-3.5x
x+180%x=3.2
x-0.36x=3.2
4.5x+x=12
x+4.5x=0.
4.5X-X=3.5
x+24=4.5X