Adding and Subtracting Integers
7 + (-10)
3
Evaluate a - b if a = 9 and b = 13
9 - 13
-4
Simplify the expression.
4x + 9 - 7
4x+2
3(q+1)
3q+3
Simplify.
11 + 7(x+7)
11 + 7x + 49
7x + 60
Write an expression to represent
9 less than the product of 2 and c
2c - 9
-8 + 10
2
Evaluate 2e - 3f if e = 6 and f = 8
2(6) - 3(8)
12 - 24
-12
Simplify the expression. 4v -12 - 7v
-3v-12
-4(q+7)
-4q-28
Simplify.
16x + 2(6 - x)
16x + 12 - 2x
14x + 12
Doug scored x points in his basketball game. His teammate Trevor scored three less than twice as many as Doug. In terms of x, how many points did Trevor score?
2x - 3
-4 + (-7)
-11
Evaluate b2 + b if b = -4
(-4)2 + (-4)
16 + (-4)
12
Simplify the expression. 18s - 5s + 17 - 3s +3
10s + 20
Simplify.
4(3x+10)
Simplify.
2(p+5) - 6p - 7
2(p+5) - 6p - 7
2p + 10 - 6p - 7
-4p + 3
Farrah ate M&M's for a snack. Her brother Johnny asked for some. He ate 13 less than Farrah ate. Write an expression for the total number of M&M's eaten by the three children.
Farrah + Johnny
x + x - 13
(2x - 13) m&ms
-6 - (-11)
5
Evaluate 2m - p2 if m = -7 and p = -3
2(-7) - (-3)2
-14 - 9
-23
Simplify the expression.
- 8 + 4a - 6 - 11a - 13a
-11a - 13a + 4a - 8 - 6
-20a - 14
-3(10 - 4x)
-30 + 12x
Simplify.
-8g+ 2(5g-2) + 4
-8g+ 2(5g-2) + 4
-8g - 10g - 4 + 4
-18g
Emmy has won 8 more Jolly Ranchers than Ricky. Nicky has won twice as many as Ricky. Write an expression to represent the total amount of Jolly Ranchers won by all the students.
Ricky + Emmy + Nicky
x + (x + 8) + 2x
2x + 8 + 2x
4x + 8
-5 + 10 - (-4)
9
Evaluate (2x - 3y)2 - 3z if x = 4, y = 5, and z = -6
[2(4) - 3(5)]2 - 3(-6)
(8 - 15)2 + 18
(-7)2 + 18
49 + 18
67
Simplify the expression.
a + 2b + 3c - c - 2b - 3a
-2a + 2c
-6(-3x-5)
18x+30
Simplify.
-3(x+12) + 5(3 - 2x)
-3(x+12) + 5(3 - 2x)
-3x - 36 + 15 - 10x
-13x - 21
A rectangle has a width of (2x + 1). The length of the rectangle is 4 feet more than the width. What is the perimeter of the shape?
P = S.O.S
P = (2x + 1) + (2x + 1) + (2x + 5) + (2x + 5)
P = (8x + 12) feet