Solving Equations
solve: 5.4 + x= 12.7
x=7.3
Liam has some points. After earning 45, he now has 120. Write the equation and solve
x + 45= 120
x=75
x-7.2= 21
x=28.2
4 sets cost $58.85. How much per set?
58.85 ÷ 4 = 14.71
The temperature is below -4 degrees right now in Montana. Write an inequality.
x < -4
z + 8.1 = 17.9
z= 9.8
Carl gave away 8 sodas and has 37 left. Write an equation and solve
z-8=37
z=45
x-10=30
x=40
$745 split equally among people paying $186.35 each
745 ÷ 186.35 = 4 people
The capacity of the bounce house is 10 people or less.
c ≤ 10
b - 3.3 = 8.7
b=12
A book costs $14.95, which is $7.55 less than hardcover. Write an equation and solve
b - 7.55= 14.95
b=22.50
What is the opposite of subtraction?
addition
Write equation: 4 people split total cost x
4x = total
The temperature will be a maximum of -4 degrees on Wednesday in Alaska.
x ≤ -4
z - 6.4 = 7.6
z= 14
A tank had water. After using 25 gallons, 45 remain. Write an equation and solve.
x- 25 = 45
x=70
After spending $15, you have $40 left.” Write an equation and solve
s-15=40
s=55
c ÷ 3 = 2
c=6
Which of the following are solutions of the inequality
c + 28 > 72; 44, 45, 46?
Explain why your solutions are true or false
44 is not a solution because 72 is not greater than 72
45 is a solution because 73 is greater than 72
46 is a solution because 74 is greater than 72
570= 33 +x
x= 537
A book had pages. After reading 18, 32 remain. Write an equation and solve.
p - 18= 32
p=50
k ÷ 4 = 4
k=16
Determine the solution(s) for the following inequality:
A + 4 ≤ 11 5, 6, 7
5 is a solution because 9 is less than 11
6 is a solution because 10 is less than 11
7 is a solution because 11 is equal to 11