How do i decompose 393+ 264 =657 on three lines

Me answer number 3plz explain how you do it

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

98 point question what is the record for most points in one