未知数x的值2/9x=1/3×22x=3×2/73.5x-17=82.7×4-x÷2=1.58x-2.8=0.99.4-(2.4x+3)=4x

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未知数x的值2/9x=1/3×22x=3×2/73.5x-17=82.7×4-x÷2=1.58x-2.8=0.99.4-(2.4x+3)=4x

未知数x的值2/9x=1/3×22x=3×2/73.5x-17=82.7×4-x÷2=1.58x-2.8=0.99.4-(2.4x+3)=4x
未知数x的值
2/9x=1/3×2
2x=3×2/7
3.5x-17=8
2.7×4-x÷2=1.5
8x-2.8=0.9
9.4-(2.4x+3)=4x

未知数x的值2/9x=1/3×22x=3×2/73.5x-17=82.7×4-x÷2=1.58x-2.8=0.99.4-(2.4x+3)=4x
2/9x=1/3x2 2/9x=2/3 x=2/3x9/2 x=3
2x=3x2/7 2x=6/7 x=6/7x1/2 x=3/7
3.5x-17=8 3.5x=25 x=50/7
2.7x4-x/2=1.5 10.8-1/2x=1.5 -1/2x=-9.3
x=18.6
8x-2.8=0.9 8x=3.7 x=37/80
9.4-(2.4x+3)=4x 9.4-2.4x-3=4x 6.4=6.4x
x=1

x=3
x=3/7
x=50/7
x=9.3
x=37/80
x=1

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