Substitution
Solve when a=8
6a
48
Write an expression from the words:
fourteen minus a number
14 - n
Solve.
2x + 12 = 34
x= 11
Solve & Graph.
x + 8 > 19
x > 11
Graph: Open circle, with an arrow pointing to the right.
Solve.
2x + 9 = 43
x = 17
Solve when a= 4 and b=6
7a - 3b
10
Write an expression from the words:
The quotient of -82 and y.
-82 ÷ y
Solve.
3x - 18 = 45
x= 21
Solve & Graph.
x - 14 ≤ -27
x ≤ -13
Graph: Closed circle, with an arrow pointing to the left.
Solve and Graph.
x - 17 < -98
x < -81
Graph: Open circle, with an arrow pointing to the left.
ab - 2c
22
Write an expression from the words:
38 less than x is 127
x - 38 = 127
-7x + 27 = 76
x= -1
Solve and Graph.
-45 > 3x
x < -15
Graph: Open circle, with an arrow pointing to the left.
Solve when a= -6 and b= 14
ab ÷ 3
-28
Solve when a= -8 and b= 3
ab ÷ 2
-12
Write an expression from the words:
18 more than twice a number.
2n + 18
Solve.
(x ÷ (-8)) - 4 = -36
x= 256
Solve and Graph.
x ÷ 11 ≥ -19
x ≥ -209
Graph: Closed circle, with arrow pointing to the right.
Write an expression from the words:
The quotient of 9 times a number and 6 is 4.
9n ÷ 6 = 4
Solve when a= 115, b= -36, and c= 3
a - bc
223
Write an expression from the words:
23 more than 7 times a number is 16.
7n + 23 = 16
Solve.
(x ÷ 9) + 14 = -71
x= -765
-56 ≥ x ÷ 12
x ≤ -672
Graph: Closed circle, with an arrow pointing to the left.
Solve.
-14x + (-16) = 54
x= -5