Addition
33 + a = 76
a = 43
t - 5 = 4
t = 9
Give an example of a variable in an equation.
any letter (x, y etc.)
5a = 25
a = 5
a/9 = 9
a = 81
How many kids does Mrs. Brandt have?
12 = 8 + y
4 = y
130 = a - 100
230 = a
In an equation, what are you trying to do to the variable?
Find the value of it/get it by itself
625 = 25a
25 = a
a/7 = 4
a = 28
Where did Mrs. Brandt go to college?
a + 21 = 45
a = 24
a-10 = 19
a = 29
x/3 = 4
What would be the first step to solving the equation?
multiply both sides by 3
8x = 488
x = 61
a/10 = 4
a = 40
How old is Mrs. Brandt?
50
r + 1/7 = 4/7
r = 3/7
w - 15= 95
w = 80
Name the inverse (Opposite of each operation)
Addition-Subtraction
Multiplication-Division
4p = 12
p = 3
k/3 = 21
k = 63
What is Mr. Brandt's job?
High School Math Teacher
12 + b = 36
b = 24
1,824 = h - 1,208
h = 3032
How do you know if you have the right solution to an equation?
Substitute the value of the variable into the equation & solve
8s = 24
s = 3
3 = m/5
m = 15
What is Mrs. Brandt's favorite sports team?