The word sum indicates addition and the symbol is ().
The word difference indicates subtraction and the symbol is ().
The word times indicates multiplication and the symbol is ().
The symbol of word equals is ().
The word three times k represents .
The word 5 times k represents .
The word sum of 8 and three times k represents .
The word difference of five times k and 3 represents .
The word sum of 8 and three times k equals the difference of five times k and 3 represents .
The equation is .