Addition Equations
x+3=5
2
x-2=9
11
numbers, variables, operation symbols, and an equal sign
equation
9 less than a number b
b - 9
The product of 9 and a number b is 36.
9b = 36
m+5=18
13
r-12=20
32
numbers, variables, and operation symbols
expression
a number k increased by 10
k + 10
11 3/4 is the quotient of a number y and 6 1/4
11 3/4= y divided by 6 1/4
6.8+r=12
5.2
m-3.8=5.2
9
a letter that takes the place of an unknown number
variable
w + 2 1/2
a number w divided by 6 is 5
w/6=5
k+1 1/3=6 2/3
5 1/3
n-1/2=3.5
4
out of 100
percent
a number y decreased by 8
y - 8
5 is 1/4 of a number c
5=1/4c
n+2 2/5=6 7/10
4 3/10
k-6 1/3=8 5/6
15 1/6
numerator/denominator
fraction
9.5 less than a number a
a - 9.5
the sum of a number x and 4 is 12
x+4=12