Take any number. Multiply it by 3. Add 49 and divide the result by 7 then we get 7. Express this in the form of an equation.

Question

( A ) \large\frac{x+49}{7}=7
( B ) \large\frac{3x+49}{7}
( C ) \large\frac{3x+49}{7}=7
( D ) \large\frac{3x+49}=7