Equations with Integers
Equations with Fractions and Decimals
Equations with Variables on both sides of the equal sign
Circumference
Inequalities
100
3x + 12 – 4x = 20
What is x = –8
100
1.4x – 1.8 + 2.35x = 0.21
What is x = 0.536
100
7x = x + 18
What is x = 3 or 3 = x
100
Natalie, what is the first thing we write?
The formula.
100
-5 < 3x + 16
x > –7 Arrow to the right
200
3(x – 9) = –39
What is x = –4
200
3/10x = –1/6x + 7/10
What is x = 1 1/2
200
16y – 43 = 4y + 65
What is y = 9 or 9 = y
200
What is the circumference of a circle if the diameter is 40 inches?
125.6 inches.
200
m + 4(5 – m) > –7
m < 9 Arrow to the left.
300
m + 4(6 – m) = 21
What is m = 1
300
–1.7m + 6.7m = 13.1
What is m = 2.62
300
1.25(m – 9) = 13/4
What is x = 45.66
300
What is the diameter of a circle if the circumference is 330 yards?
105 yards.
300
6 – (y – 7) ≤ 6 - 8y
y ≤ –1 Arrow to the left.
400
8 = –7(y + 1) + 2y
What is y = –3 or –3 = y
400
–2.5(2x + 6) = 3 – 6
What is x = –2.4
400
16.7m – 167.2 = 60.8 + 2.45m
What is m = 16 or 16 = m
400
What is the radius of a circle if the circumference is 44 miles?
7 miles.
400
–5(x + 9) – 6x + 11 ≤ 9x + 2
x ≥ –2 Arrow to the right.
500
4x + 7(2x – 5) – 5(3x + 1) = 50
What is x = 30
500
–4.1(0.2m – 1.3) + 3.7m = –5.3 + 1.1
What is m = –3.309027778
500
1/4(1.2m – 3.6) + 4.5m = –12.6m – 3/5
What is m = 0.01ish
500
A pizza is 100 centimeters wide. What is the perimeter of one slice of pizza if the pizza was cut into four slices? Use 3.14 as π.
178.5 centimeters.
500
–0.45m + 12.5 + 2(0.2m + 5) < 100
m > –15500 Arrow to the right.
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