Miscellaneous
A letter used to represent an unknown number
What is a variable?
Simplify the expresion: 5(x+10)
What is 5x + 50?
How to undo addition, subtraction, multiplication, division.
What are subtraction, addition, division, multiplication.
Two more than four times a number is 14.
What is 4x+2=14?
A club puts its members into 5 groups for an activity. After 7 students have to leave early, there are only 3 students left to finish the activity. Write an equation to represent the story.
What is 5x-7=3?