Aprild602
Aprild602
30-09-2015
Mathematics
contestada
1/3(33x +15) - 1/3 ( 21x +18) =10
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Panoyin
Panoyin
30-09-2015
¹/₃(33x + 15) - ¹/₃(21x + 18) = 10
¹/₃(33x) + ¹/₃(15) - ¹/₃(21x) - ¹/₃(18) = 10
11x + 5 - 7x - 6 = 10
11x - 7x + 5 - 6 = 10
4x - 1 = 10
+ 1 + 1
4x = 11
4 4
x = 3³/₄
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