adding one step equations
a-3 = 8
11
a - 5 = 4
9
What is the term for a letter that represents an unknown number.
variable.
5a = 25
5
a/7 = 9
63
What are the two terms (can also be referred to as a constant) in 5b - 7=45?
-7 and 45
a + 8 = 92
84
a - 21 = 49
70
subtraction
- 6y= 60
x/-4= 12
x=-3
What are the two expressions in:
6c - 5 = 68
6c- 5 and 68
76 = a + 21
55
300 = a - 180
480
What is the inverse operation of multiplication?
division
81= 9F
9
x/8 = 8
64
Is 5n-4 an expression or an equation?
expression
30 = a -120
150
98 = m - 29
m= 127
What operation is performed when a number is next to a variable?
5x
multiplication
-5c= 45
c=-9
a/12=8
a=96
7 times a number is 28. What is the equation?
7n = 28
23 = a + 9
14
a - 1,820 = 980
a=2,800
What is the name of the number next to a variable?
ex. 3x
coefficient
14=7a
2
h/25=9
h=225
Mary is 10 years younger than April. If Mary is 27, how old is April? What is the algebraic equation and the solution?
a -10 = 27
x=37