One Step Equations
x + 5 = 12
x = 7
8 = 5w - 12
w = 4
2 (2 + m) = 16
m = 6
- 1 + 4
3
"Three _____ four is twelve."
Times
b - 11 = 20
b = 32
6 = a / 4 + 2
a = 16
3 ( 3 + g) = -15
g = -8
- 6 - 12
-18
"Twenty four __________ by six is four."
Divided by
4y = 16
y = 4
9p - 7 = -7
p = 0
−10 = 10(k − 9)
k = 8
(-3)(11)
-33
A letter that represents a number in Algebra
Variable
x / 8 = 9
x = 72
0 = 4 + n / 5
n = -20
3 (2x + 7) = 27
x = 1
-20 / -4
5
The opposite. Addition --> Subtraction or multiplication --> division.
Inverse operation
f / -3 = 12
f = -36
(-v + 9) / 3 = 8
v = -15
− (3s −12) = 48
s = -12
2 - (-4) + (-6) - 10
- 10
This is a number by itself, with no variable
Constant