Vocabulary
A letter used to represent an unknown number
What is a variable?
x + 5 = 17
What is 12 ?
3x = 12
What is 4?
5x + 4 = 14
What is 2?
8 = 2x + 6
What is 1?
The invserse of addition
What is subtraction?
x – 4 = 5
What is 9?
5m = –25
What is –5?
8x – 11 = 13
What is 3?
31 = 9x – 5
What is 4?
The inverse of subtraction
What is addition?
x + 3.9 = 6.5
What is 1.3?
6 = x ÷ 6
What is 36?
21 + 9x = –102
What is –9?
–14 = –5x + 3
What is 3.4?
What is the inverse of multiplication?
What is division?
–27 = x + 12
What is -39?
–4.2x = –8.4
What is 2 ?
–11 + 3g = –17
What is –2?
15 = 6.5x – 50
What is 10?
The inverse of division.
What is multiplication?
b – 314 = –1663
What is -1349?
630 = 21x
What is 30?
3x + 5.9 = –12.1
What is –6?
–83 = –6 + 7x
What is -11?