解方程 (3/4x+1)×8=7x+1 (1/2x+1/3)×2=3x-1/2
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解方程 (3/4x+1)×8=7x+1 (1/2x+1/3)×2=3x-1/2
解方程 (3/4x+1)×8=7x+1 (1/2x+1/3)×2=3x-1/2
解方程 (3/4x+1)×8=7x+1 (1/2x+1/3)×2=3x-1/2
(3/4x+1)×8=7x+1
3/4x×8+1×8=7x+1
6x+8=7x+1
7x-6x=8-1
x=7
(1/2x+1/3)×2=3x-1/2
x+2/3=3x-1/2
3x-x=2/3+1/2
2x=7/6
x=7/6÷2
x=7/12
(1)(3/4x+1)×8=7x+1;
6x+8=7x+1;
x=7;
(2)(1/2x+1/3)×2=3x-1/2;
x+2/3=3x-1/2;
2x=2/3+1/2=7/6;
x=7/12;