Miscellaneous
What is the word used to represent an unknown number as a letter?
What is a variable?
6 (2x - 9)=66
What is 10?
6 (2x +4) =84
What is 5 ?
5 (2x - 6) =90
What is 12 ?
2 (x + 5) = 20
What is 5
5 (2x + 6) = 60
What is 3 ?
4 (3x -8)= 28
What is 5?