13(2x-5)=14(x-3)-112.

13(2x-5)=14(x-3)-112.


去分母,得:4(2x-5)=3(x-3)-1,去括弧,得:8x-20=3x-9-1,移項、合併同類項得:5x=10則x=2.



4{3[2(x-1)-2]-30} 58=4x


4{3[2(x-1)-2]-30} 58=4x
4[3(2X-2-2)-30]58=4X
4(6X-6-6)58=4X
(24X-24-24)58=4X
1392X-0=4X
1388X=0
X=0



4*(x+58)=5*(x-5)
求x


4x + 20 = 5x - 25
4x - 5x = - 20 - 25
- x = - 45
x = 45
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