4×2.6-5x=8.4 17.28-4x=5.6x 2(4x-3.5)=11 4.3x-x+1.5x=9.6 4到解方程求解4×2.6-5x=8.417.28-4x=5.6x2(4x-3.5)=114.3x-x+1.5x=9.6

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4×2.6-5x=8.417.28-4x=5.6x2(4x-3.5)=114.3x-x+1.5x=9.64到解方程求解4×2.6-5x=8.417.28-4x=5.6x2(4x-3.5)=114.3x

4×2.6-5x=8.4 17.28-4x=5.6x 2(4x-3.5)=11 4.3x-x+1.5x=9.6 4到解方程求解4×2.6-5x=8.417.28-4x=5.6x2(4x-3.5)=114.3x-x+1.5x=9.6
4×2.6-5x=8.4 17.28-4x=5.6x 2(4x-3.5)=11 4.3x-x+1.5x=9.6 4到解方程求解
4×2.6-5x=8.4
17.28-4x=5.6x
2(4x-3.5)=11
4.3x-x+1.5x=9.6

4×2.6-5x=8.4 17.28-4x=5.6x 2(4x-3.5)=11 4.3x-x+1.5x=9.6 4到解方程求解4×2.6-5x=8.417.28-4x=5.6x2(4x-3.5)=114.3x-x+1.5x=9.6
4×2.6-5x=8.4
10.4-5x=8.4
5x=10.4-8.4
5x=2
x=0.4
17.28-4x=5.6x
17.28=5.6x+4x
17.28=9.6x
x=17.28÷9.6
x=1.8
2(4x-3.5)=11
8x-7=11
8x=18
x=18÷8
x=2.25
4.3x-x+1.5x=9.6
(4.3-1+1.5)x=9.6
4.8x=9.6
x=9.6÷4.8
x=2