Solve for d
d=78
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\frac{6}{7}\times 91=d
Multiply both sides by 91.
\frac{6\times 91}{7}=d
Express \frac{6}{7}\times 91 as a single fraction.
\frac{546}{7}=d
Multiply 6 and 91 to get 546.
78=d
Divide 546 by 7 to get 78.
d=78
Swap sides so that all variable terms are on the left hand side.
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