One-step equation
c - 12 = -4
8
2v + 7 = 3
n - 4 < 5
n < 9
3d - 7 ≥ 8
d ≥ 5
Write the word sentence as an equation. Then, solve the question.
"The sum of a number x and 8 is -24"
x + 8 = -24
x = -32
-7 + x = -9
-2
-6t - 7 = 17
t = -4
3 ≤ 7 + g
-4 ≤ g
-4(n - 10) < 32
n < 2
Write the word sentence as an equation. Then, solve the question.
"A number multiplied by 2/5 is 34"
2/5x = 34
x = 85
1/2 = q + 2/3
q = - 1/6
-4.8f + 6.4 = -8.48
f = 3.1
2/7 > b + 5/7
-3/7 > 5
2 > 8 - 4/3h
h > 9/2
(or h > 4.5)
The first jump in a unicycle high-jump contest is shown. The bar is raised 2 centimeters after each jump. Solve the inequality 2n + 10 ≥ 26 to find the numbers of additional jumps needed to meet or exceed the goal of clearing a height of 26 centimeters.
n ≥ 8 additional jump
n/1.6 = 5
n = 8
-2/3 (x + 3/5) = 1/2
x = -27/20
-9.1 < d - 6.3
-2.8 < d
-8 ≤ 2/5(k - 2)
-18 ≤ k
A small airplane can hold 44 passengers. Fifteen passengers board on the plane. Write and solve inequality that represents the additional numbers of passengers that can board the plane.
15 + p ≤ 44
p ≤ 29
-4/9f = -3
f =27/4
-9/4v + 4/5 = 7/8
v = -1/30
z - 4.7 ≥ -1.6
z ≥ 3.1
7.2 > 0.9(n +8.6)
-0.6 > n
In a school election, 3/4 of the students vote. There are 1464 votes. Find the number of student. Justify your answer.
3/4x = 1464
x = 1952