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

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

asked Feb 21, 2019 84.4k views

1 vote

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

Mathematics
middle-school

Syed Mohib Uddin asked

by Syed Mohib Uddin

7.8k points

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1 Answer

4 votes

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

Selethen answered Feb 26, 2019

7.9k points

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