A letter used to represent an unknown number
What is a variable?
2(k - 5) = 8
What is 9 ?
2k + 5 = 17
What is 6 ?
12x - 11x = 15
What is 15?
The inverse of addition
What is subtraction?
2(a + 6) = 30
What is 12?
5m - 7 = 23
What is 6 ?
y/9 - 15 = 5
What is 180 ?
13y - 7 + 5y = 61
What is 3 ?
The four basic operations
What are addition, subtraction, multiplication, and division?
2r +r(5) = 63
What is 9?
3g - 19 = 20
What is g = 13
k/8 + 21 = 97
What is 608 ?
18y - 9 - 6y +12 = 99
What is 8 ?
A number right in front of a variable
What is a coefficient?
12s +2(2s + 7) = 62
What is 3 ?
14j + 71 = 141
What is 5 ?
7x=-2x +18
What is 2 ?
The inverse of Square Root is what exponent?
what is the second power
19b + 3(-4b + 5) = 99
What is 12 ?
21q - 39 = 234
What is 13 ?
7x + 4 = 10x + 24 - 2x
What is -20 ?