Miscellaneous
What is the letter used to represent an unknown number?
variable
2k + 5 = 17
k=6
3a - 5 = 4
a=3
m/5 + 4 = 12
m=40
z/6 - 8 = 2
z=60
What is the inverse operation addition?
subtraction
2a + 11 = 35
a=12
5m - 7 = 23
m=6
y/8 + 11 = 13
y=16
y/9 - 15 = 5
y=180
What are the four basic operations?
addition, subtraction, multiplication, and division
2r + 39 = 65
r=13
6k - 5 = 43
k=8
k/8 + 21 = 97
k=608
z/6 - 14 = 3
z=102
What is the number right in front of a variable?
coefficient
12s + 27 = 171
s=12
4j - 71 = 29
j=25
g/11 + 37 = 128
g=1188
y/9 - 18 = 52
y=630
Who is the best Math teacher ever?
Ms. Suh
19b + 314 = 1663
b=71
21q - 39 = 234
q=13
w/317 + 596 = 1,639
w=330,631
d/10 - 83 = 64
d=1470