Adding and Subtracting Equations
r + 9 = 19
r = 10
8z = 112
z = 14
3m - 6 + m^2 - 5m + 1
m^2 - 2m - 5
Create a number line and inequality for the following inequality statement:
There are fewer than 9 gallons of gas in the tank
"Open circle" on 8, shaded to the left
Molly bought 4 pairs of shoes for $36, each pair costing the same. How much would she have paid for one pair of shoes. Write an equation that BEST FITS the situation and solve
4x = 36
x = 9 dollars per pair
n + 75 = 155
n = 80
r / 28 = 24
r = 672
7x + 4(2x-6)
15x - 24
Create a number line and inequality for the following inequality statement:
There are at least 3 slices of bread left in the bag
"Closed dot" on 3 and shaded to the right
Arthur has 47 good cheeses. So much good cheeses in fact, that he decides to share with his brother Jasper. After sharing his good cheeses, he only has 19 good cheeses left. How many good cheeses did he give Jasper? Write an equation that BEST FITS the situation and solve
47 - c = 19
c = 28 good cheeses
y - 0.8 = 144.753
y = 145.553
d / 14 = 7.5
d = 105
b^2 + 3 + 2b^2 + 4 - 7
3b^2
Create a number line and inequality for the following inequality statement:
You have at most $30 to spend
x is less than or equal to $30
"Closed dot" on 30 and shaded to the left
Mr. Beach bought 40 supreme stickers on amazon.com. In total, he spent $300. How much did one sticker cost? Write an equation that BEST FITS the situation and solve
40x = 300
x = $7.50 per sticker
75.84 + x = 130
x = 54.16
4.6a = 36.8
a = 8
3(p + 5) - 8 + 11p
14p + 7
Create a number line and inequality for the following inequality statement:
y + 7 < 10
y < 3
"Open circle" on 3 and shaded to the left
Jorge baked cookies for his friends. He is baking for 8 people total, including himself. Jorge wants to ensure that each friend gets 6 cookies each, including himself. How many total cookies will he need to bake? Write an equation that BEST FITS the situation and solve
x / 8 = 6
x = 48 total cookies
What is the definition of an equation?
What is a mathematical statement that two expressions are equal.
13.5a = 105.3
a = 7.8
6x^3 + x^2 - 4x + 3 - 4 + x - x^2 + 3x^3
9x^3 - 3x - 1
16 < x + 2
x > 14
"Open circle" at 14 and shaded to the right
Sylvia earned $7.25 per hour at her after school job. After working for two weeks, she had received a paycheck for $261 (before taxes). How many hours did Sylvia work? Write an equation that BEST FITS the situation and solve
7.25w = 261
x = 36 hours