06-05-2016
Mathematics

contestada

solve by the multiplication of equality 5/49*x = 20/7

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InverseOperator InverseOperator

06-05-2016

5/49(x) = 20/7
5x/49 = 20/7
5x/49 × 49  = 20/7 × 49
5x  = 140
5x / 5  = 140 / 5
x = 28

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