S
the product of two and a number
2s
negative fifty decreased by a number
-50-a
one-third of a number
⅓L
twice a number
2t
a number added to negative seven
-7+y
five increased by a number
5+s
a number decreased by negative seven
a-(-7)
the product of a number and three
3L
a number separated into six equal parts
t/6
eighteen less than a number
y-18
the quotient of a number plus six, and three
s+6
3
four added to the square of a number
a2+4
five more than twice a number
2L+5
3-t/6
six decreased by twice a number
6-2y
Fifteen increased by a number is twenty-seven.
15+s=27
Five equals a number divided by three.
5=a/3
The difference of a number and six is zero.
L-6=0
The difference of negative six and a number is three.
-6-t=3
Six is equal to the product of negative four and a number.
6=-4y
Negative four is equal to twice the sum of a number and eight.
-4=2(s+8)
Five minus twice a number is a number squared.
5-2a=a2
Forty-two divided by a number equals seven minus a number.
42/L=7-L
The sum of negative four times a number and three is twenty-seven.
-4t+3=27
5-(-y)=7