x=3.69
0.2(x-8)+ 1/4x + (x-1)/7 =6 -(23-x)/5
2个回答
相关问题
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（6）5.8*4.5+0.4x=29.1 （7）5（x+4.4）=61 （8）2.6+3.4x=23 （9）15x+3.
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5.6x-2x0.7=23.8 18.5x-6.5x=1.44 方程怎么解？
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巧解方程．3x+2.7=5.94 1.3x-0.44=0.6 6.7x+x=23.1 x-0.1x=1.08 4.5x÷
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巧解方程．3x+2.7=5.94 1.3x-0.44=0.6 6.7x+x=23.1 x-0.1x=1.08 4.5x÷
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1.x+1/5-4/7x=7/4 2.3.6*0.5-0.75x0.8
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1/5(X-8)+1/4x+(x-1)/4=6-(23-x)/5
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x²+4x-2=0,x²-4x+1=0,(x+√5)(x-√5)=20,x²+6x+5=8x+7,25(2x-1)²-1
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1/1x2x3x4+1/2x3x4x5+1/3x4x5x6+1/4x5x6x7+1/5x6x7x8+1/6x7x8x9+
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1/2x+3=1/3x+2 0.5x-0.7=6.5+0/2x 1-7/3x=2/3x+19 0.4x-1/4=8-1/