Solve for n 1/2-2/7=n

Math
12-27=n
Rewrite the equation as n=12-27.
n=12-27
Simplify 12-27.
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To write 12 as a fraction with a common denominator, multiply by 77.
n=12⋅77-27
To write -27 as a fraction with a common denominator, multiply by 22.
n=12⋅77-27⋅22
Write each expression with a common denominator of 14, by multiplying each by an appropriate factor of 1.
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Multiply 12 and 77.
n=72⋅7-27⋅22
Multiply 2 by 7.
n=714-27⋅22
Multiply 27 and 22.
n=714-2⋅27⋅2
Multiply 7 by 2.
n=714-2⋅214
n=714-2⋅214
Combine the numerators over the common denominator.
n=7-2⋅214
Simplify the numerator.
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Multiply -2 by 2.
n=7-414
Subtract 4 from 7.
n=314
n=314
n=314
The result can be shown in multiple forms.
Exact Form:
n=314
Decimal Form:
n=0.2142857‾
Solve for n 1/2-2/7=n

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