x+1/0.4-0.2x-1/0.7=1等于
1个回答
(x+1)/0.4-(0.2x-1)/0.7=1
0.7(x+1)-0.4(0.2x-1)=0.28
0.7x+0.7-0.08x+0.4=0.28x
0.34x=-0.11
x=-11/34
相关问题
0.4(X-0.2)+1.5=0.7(2X+1.2)
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/
(X-0.7/0.2) - (X-1/0.1)=1
(X-0.7/0.2) - (X-1/0.1)=1
1.x+1/5-4/7x=7/4 2.3.6*0.5-0.75x0.8
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解方程5x-2+1.8=3.6 7(x-1.2)=2.1 9.4x-0.4x=16.2 0.2x-0.4+0.5=3.7
0.4(x-0.2)+1.5=0.7x-0.38
1.x-7等于10-4(x+0.5)
3(x-7)-5(4-x)=15 0.2分之0.1x+0.3+2.5=0.4x-1