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3(3x+5)=2(2x-1) -5(3x+4)=15(4x-3)
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相关问题
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1.3x+5/2=2x-1/3 2.x-3/-5=3x+4/15
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5X-2(X-3)=15 X-3(2X+1)=6X-4(5-3X)
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6/1(3x-6)=5/2x-3 3(x-7)+5(x-4)=15 4x-3(20-x)=-4 2/y-1=2-5/y+
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已知:2+2/3=2^2x2/3,3+3/8=3^2x3/8,4+4/15=4^2x4/15,5+5/24=5^2x5/
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15=X/3+2 .(x+2)/3=(3-x)/2.(x-3)/4-(1+3x)/8.7-(X+5)/2=(2-X)/5
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(4)1/6(3x-6)=2/5x-3 (5)3(x-7)+5(x-4)=15 (6)4x-3(20-x)=-4
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3(5-4x)=9 5/8x-1/3x-1/2=2/3 2/5(1-0.375x)=4/15
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解方程:2x/5+1/3*(3x/5)+3/4*(3x/5*(1-1/3)=x-15.
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(-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x
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解方程:1.3X+5/2=2X-1/3 2.X-3/-5=3X+4/15 3.3Y-1/4-1=5Y-7/6 4.5Y+