(7x-5)\4=3\8(2x-1)\6=(5x+1)\81\2 x-7=(9x-2)\61\5 x -1\2(3-2x)=1(2x+1)\3-(5x-1)\6=11\7 (2x+14)=4-2x3\10 (200+x) - 2\10 (300-x) = 300×9\25
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(7x-5)\4=3\8(2x-1)\6=(5x+1)\81\2 x-7=(9x-2)\61\5 x -1\2(3-2x)=1(2x+1)\3-(5x-1)\6=11\7 (2x+14)=4-2x3\10 (200+x) - 2\10 (300-x) = 300×9\25
(7x-5)\4=3\8
(2x-1)\6=(5x+1)\8
1\2 x-7=(9x-2)\6
1\5 x -1\2(3-2x)=1
(2x+1)\3-(5x-1)\6=1
1\7 (2x+14)=4-2x
3\10 (200+x) - 2\10 (300-x) = 300×9\25
(7x-5)\4=3\8(2x-1)\6=(5x+1)\81\2 x-7=(9x-2)\61\5 x -1\2(3-2x)=1(2x+1)\3-(5x-1)\6=11\7 (2x+14)=4-2x3\10 (200+x) - 2\10 (300-x) = 300×9\25
1)(7x-5)\4=3\8
(7x-5)=3\2
7x=13\2
x=13\14
2)(2x-1)\6=(5x+1)\8
(2x-1)\3=(5x+1)\4
4*(2x-1)=3*(5x+1)
8x-4=15x+3
x=-1
3) 1\2 x-7=(9x-2)\6
3x-42=9x-2
6x=-40
x=-20\3
4)1\5 x -1\2(3-2x)=1
2x-5*(3-2x)=10
12x=25
x=25\12
5)(2x+1)\3-(5x-1)\6=1
2(2x+1)-(5x-1)=6
1-x=6
x=-5
6)1\7 (2x+14)=4-2x
(2x+14)=28-14x
16x=14
x=7\8
7)3\10 (200+x) - 2\10 (300-x) = 300×9\25
3(200+x) - 2(300-x) = 1080
600+3x-600+2x=1080
x=1080\5=216