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\frac{\frac{7x}{x}-\frac{1}{x}}{7+\frac{7}{x+1}}
To add or subtract expressions, expand them to make their denominators the same. Multiply 7 times \frac{x}{x}.
\frac{\frac{7x-1}{x}}{7+\frac{7}{x+1}}
Since \frac{7x}{x} and \frac{1}{x} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{7x-1}{x}}{\frac{7\left(x+1\right)}{x+1}+\frac{7}{x+1}}
To add or subtract expressions, expand them to make their denominators the same. Multiply 7 times \frac{x+1}{x+1}.
\frac{\frac{7x-1}{x}}{\frac{7\left(x+1\right)+7}{x+1}}
Since \frac{7\left(x+1\right)}{x+1} and \frac{7}{x+1} have the same denominator, add them by adding their numerators.
\frac{\frac{7x-1}{x}}{\frac{7x+7+7}{x+1}}
Do the multiplications in 7\left(x+1\right)+7.
\frac{\frac{7x-1}{x}}{\frac{7x+14}{x+1}}
Combine like terms in 7x+7+7.
\frac{\left(7x-1\right)\left(x+1\right)}{x\left(7x+14\right)}
Divide \frac{7x-1}{x} by \frac{7x+14}{x+1} by multiplying \frac{7x-1}{x} by the reciprocal of \frac{7x+14}{x+1}.
\frac{7x^{2}+7x-x-1}{x\left(7x+14\right)}
Apply the distributive property by multiplying each term of 7x-1 by each term of x+1.
\frac{7x^{2}+6x-1}{x\left(7x+14\right)}
Combine 7x and -x to get 6x.
\frac{7x^{2}+6x-1}{7x^{2}+14x}
Use the distributive property to multiply x by 7x+14.
\frac{\frac{7x}{x}-\frac{1}{x}}{7+\frac{7}{x+1}}
To add or subtract expressions, expand them to make their denominators the same. Multiply 7 times \frac{x}{x}.
\frac{\frac{7x-1}{x}}{7+\frac{7}{x+1}}
Since \frac{7x}{x} and \frac{1}{x} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{7x-1}{x}}{\frac{7\left(x+1\right)}{x+1}+\frac{7}{x+1}}
To add or subtract expressions, expand them to make their denominators the same. Multiply 7 times \frac{x+1}{x+1}.
\frac{\frac{7x-1}{x}}{\frac{7\left(x+1\right)+7}{x+1}}
Since \frac{7\left(x+1\right)}{x+1} and \frac{7}{x+1} have the same denominator, add them by adding their numerators.
\frac{\frac{7x-1}{x}}{\frac{7x+7+7}{x+1}}
Do the multiplications in 7\left(x+1\right)+7.
\frac{\frac{7x-1}{x}}{\frac{7x+14}{x+1}}
Combine like terms in 7x+7+7.
\frac{\left(7x-1\right)\left(x+1\right)}{x\left(7x+14\right)}
Divide \frac{7x-1}{x} by \frac{7x+14}{x+1} by multiplying \frac{7x-1}{x} by the reciprocal of \frac{7x+14}{x+1}.
\frac{7x^{2}+7x-x-1}{x\left(7x+14\right)}
Apply the distributive property by multiplying each term of 7x-1 by each term of x+1.
\frac{7x^{2}+6x-1}{x\left(7x+14\right)}
Combine 7x and -x to get 6x.
\frac{7x^{2}+6x-1}{7x^{2}+14x}
Use the distributive property to multiply x by 7x+14.