Miscellaneous
A Letter used to represent an unknown number
a variable
2k + 5 =17
6
x - 120 = 80
200
m/5 + 4 =12
40
z/6 - 8 = 2
60
2a + 11 =35
12
4x - 7 = 37
11
y/8 + 11 = 13
16
y/9 - 15 =5
180
What are the Four basic operations
Addition, Subtraction, Multiplication, Division
2r + 39 =65
13
7=4 -2y
y = 1.5
k/8 + 21 = 97
608
z/6 -14 =3
102
What is a number right in front of a variable
A coefficient
2(2a + 3) = -3 (a-1)=31
2
5( x - 1)>2(x + 2)
x > 3
g/11 + 37 =128
1,188
y/9 - 18 = 52
630
-20y + 15 = 2 - 16y + 11
y =1/2
21q - 39 = 234
13
w/317 + 596 = 1,1639
330,631
d/10 - 83 = 64
1470