解方程 6x-2(x+3)=3(x+0.4) 2.35/(0.7x+0.12)=5
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解方程6x-2(x+3)=3(x+0.4)2.35/(0.7x+0.12)=5解方程6x-2(x+3)=3(x+0.4)2.35/(0.7x+0.12)=5解方程6x-2(x+3)=3(x+0.4)2
解方程 6x-2(x+3)=3(x+0.4) 2.35/(0.7x+0.12)=5
解方程 6x-2(x+3)=3(x+0.4) 2.35/(0.7x+0.12)=5
解方程 6x-2(x+3)=3(x+0.4) 2.35/(0.7x+0.12)=5
6x-2(x+3)=3(x+0.4)
6x-2x-6=3x+1.2
4x-3x=6+1.2
x=7.2
2.35/(0.7x+0.12)=5
0.7x+0.12=2.35/5
0.7x=0.47-0.12
0.7x=0.35
x=0.5
6x-2(x+3)=3(x+0.4)
6x-2x-6=3x+1.2
x=6+1.2
x=7.2
2.35/(0.7x+0.12)=5
2.35=3.5x+0.6
3.5x=1.75
x=0.5
6x-2(x+3)=3(x+0.4)
6x-2x-6=3x+1.2
X=7.2
2.35/(0.7x+0.12)=5
(0.7x+0.12)*5=2.35
3.5x+0.6=2.35
3.5x=1.75
x=0.5
(1)原式化简为6x-2x-6=3x+1.2
即x=7.2
(2)原式化简为2.35=3.5x+0.6
即x=0.5
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