解下列方程(1) 19/11x+7/11+x=3/11x-4(2) 3x-2=1/2x+1(3) -3/4x+3=4x-6(4) 2/3x-5=3/2x+3(5) 5x-3.5=-2.5+4.5(6) 5a+8-6a=2a+3
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![解下列方程(1) 19/11x+7/11+x=3/11x-4(2) 3x-2=1/2x+1(3) -3/4x+3=4x-6(4) 2/3x-5=3/2x+3(5) 5x-3.5=-2.5+4.5(6) 5a+8-6a=2a+3](/uploads/image/z/380328-24-8.jpg?t=%E8%A7%A3%E4%B8%8B%E5%88%97%E6%96%B9%E7%A8%8B%EF%BC%881%EF%BC%89+19%2F11x%2B7%2F11%2Bx%3D3%2F11x-4%EF%BC%882%EF%BC%89+3x-2%3D1%2F2x%2B1%283%29+-3%2F4x%2B3%3D4x-6%284%29+2%2F3x-5%3D3%2F2x%2B3%285%29+5x-3.5%3D-2.5%2B4.5%286%29+5a%2B8-6a%3D2a%2B3)
解下列方程(1) 19/11x+7/11+x=3/11x-4(2) 3x-2=1/2x+1(3) -3/4x+3=4x-6(4) 2/3x-5=3/2x+3(5) 5x-3.5=-2.5+4.5(6) 5a+8-6a=2a+3
解下列方程(1) 19/11x+7/11+x=3/11x-4
(2) 3x-2=1/2x+1
(3) -3/4x+3=4x-6
(4) 2/3x-5=3/2x+3
(5) 5x-3.5=-2.5+4.5
(6) 5a+8-6a=2a+3
解下列方程(1) 19/11x+7/11+x=3/11x-4(2) 3x-2=1/2x+1(3) -3/4x+3=4x-6(4) 2/3x-5=3/2x+3(5) 5x-3.5=-2.5+4.5(6) 5a+8-6a=2a+3
(1) 19/11x+7/11+x=3/11x-4
16/11x=-4-7/11
16/11x=-51/11
x=51/16
(2) 3x-2=1/2x+1
2.5x=3
x=1.2
(3) -3/4x+3=4x-6
13/4x=-9
x=-36/13
(4) 2/3x-5=3/2x+3
3/2x-2/3x=-8
5/6x=-8
x=-9.6
(5) 5x-3.5=-2.5+4.5
5x=5.5
x=1.1
(6) 5a+8-6a=2a+3
8-a=2a+3
3a=5
a=5/3