Question 202227
(x+4)/3 + (x-8)/7 =4/21
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{7(x+4) +3(x-8)}/21  =4/21
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7x+28 +3x -24 =4
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10x = 0
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x=0
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check,,,4/3 -8/7 = 4/21,,,,1.333 - 1.143 =.19,,,,,ok