Miscellaneous
A letter used to represent an unknown number
variable
2k + 5 = 17
6
3a - 5 = 4
3
m/5 + 4 = 12
40
z/6 - 8 = 2
60
If an equation has an equal sign and a variable the goal is:
get variable alone
2a + 11 = 35
12
5m - 7 = 23
6
y/8 + 11 = 13
16
y/9 - 15 = 5
180
The four basic operations
addition, subtraction, multiplication, and division
2r + 39 = 65
13
6k - 5 = 43
8
y/8 + 11 = 13
16
z/6 - 14 = 3
102
A number in front of the variable
coefficient
12s + 27 = 171
12
4j - 71 = 29
25
g/11 + 37 = 128
1001
y/9 - 18 = 52
630
The best math teachers ever!!!!
Mrs. Ziter
(-7+y)/-2=20
-33
(x+5)/-2=-15
25
(2x+2)/-2=22
-23
d/10 - 83 = 64
1470