Solve for x
True or False: When you solve for x, x is a known number.
False: x is an unknown number
x + 7 = 11
What is x = 4
True or False: The opposite of adding is subtracting.
True: The opposite of adding is subtracting.
4x = 20
What is x = 5
x + 6 = 15
What is x = 9
TRUE or FALSE: Math uses only "x" to represent unknown numbers
FALSE: Math uses several different letters to represent unknown numbers.
25x = 125
What is x = 5
x + 3 = 12
What is x = 9
True of False: To get a number away from the x (for example: 4x) you have to do the opposite of dividing.
False: You have to do the opposite of multiplying to get the 4 away from the x.