Answers

2014-10-15T22:26:35+08:00
22 + 10x = 7 + 6x -3 22+10x = 4+6x 22-4=6x-10x 18=-4x 4x=-18 2x=-9 X=-4.5
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2014-10-15T22:36:17+08:00

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2 ( 11 + 5x ) = 7+3 (3x - 1)
22+10x = 30x-10
22+10 = 30x-10x
       32= 20x
     32/4= 20x/4
         8 = 5x
     - 8/5 = x
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2(11+5x)=7+3(3x-1)
121+100x=30x-10
32=20x
1.6=x or x=1.6