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(3x - 2 ) /10 - ( x + 3 )/7 + ( 4x - 7 )/3 = x- 1
[ 21(3x-2)-30(x +3)+70(4x-7)]/210 = x -1
63x -42-30x-90+280x-490=210(x-1)
313x - 622 =210x - 210
313x - 210x = 622 - 210
103x = 412
x = 412/103
x = 4
I hope this helps you.
:)
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