Facts
A letter used to represent an unknown number
What is a variable?
4x+4=12
What is 2?
3x-2=10
x/3 + 5 = 8
What is 9?
x/3 - 5 =1
What is 18?
The opposite of division
What is multiplication?
2x+5=17
-5x-3=12
What is -3?
x/5 + 4 = 12
What is 40?
x/4 - 3 =4
What is 28?
The opposition of addition
What is subtraction?
6x+3=-15
What is -3?
-2x-7=-3
What is -2?
x/8 + 11 = 13
What is 16?
x/7 -2 =8
What is 70?
The opposite of multiplication
What is division?
-2x+6=-20
What is 13?
6x-5=43
x/-2 + 6 = -7
What is 26?
x/-2 - 4 = -5
What is 2?
The opposition of subtraction
What is addition?
12x+27=171
What is 12?
4x-71=29
x=25
x/-3 + 4 =2
What is 6?
x/-3 - 5 =-10
What is 15?