08-01-2018
Mathematics

contestada

Solve for x: 2/7x-1/7x=100

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08-01-2018

2/7x-1/7x=100
subtract the 2/7x and the 1/7x
so it would be
1/7x=100
multiply 1/7 on both sides
so
x=100 times 1/7
solve
x=100/7
x=14 2/7

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