#13 kayla is 4 years
younger than her sister.
write an algebraic
expression that represents
the situation.

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).

How are algebraic expressions evaluated using substitution?