Solving One-Step Equations
-5 = b + 8
b = -13
5x + 3 = 13
x = 2
A stingray is at a certain depth in the ocean. After ascending 5 1/2 feet, it is now at a depth at -14 5/6 feet. Write and Solve an equation to determine the stingray's initial depth.
-20 2/6 = x
Tina had her birthday party at the movies. It cost $27 for pizza and $8.50 per friend for the movie tickets. Write and solve an equation to determine how many friends Tina had at her party if she spent $78
x = 6
-7 = x + 4
x = -11
2x + 3 = 9
x = 3
The highest recorded temperature in Warsaw, Missouri, is 118 degrees Fahrenheit. This is 185 degrees greater than the city's lowest recorded temperature. What is the lowest recorded temperature?
-40 = x
Cassidy went to a football game with some of her friends. The tickets cost $6.50 each and they spent $17.50 on snacks. The total amount paid was $63. Write and solve an equation to determine the number of people p that went to the game.
p =7
x - 4 = -2
x = 2
-3x +5 = 14
x = -3
At the end of the week, Madison had -$55.98 in her checking account. This is $202.64 less than the amount she had at the beginning of the week. How much money did Madison have at the beginning of the week?
$146.66 = x
A caterer is preparing dinner for a party. She charges an initial fee of $16 dollars and $8.25 per person. How many people can attend a dinner that costs $131.50?
x = 14
q - 8 = -9
x = -1
-2y - 7 = 3
y = -5
Rob had $4.50 in his checking account at the end of the day. This is $95.50 less than the amount he had at the beginning of the day. Write and solve an equation to determine the balance at the beginning of the day.
x = $100
Amelia started with $54, and spent $6 each day at camp. She has $18 left. Write and solve an equation to find out how many days d she was at camp.
d = -6
-8y = 24
y = -3
5x - 3.8 = -6.4
x = -0.52
A diver is at a certain depth in the ocean. After ascending 10 3/4 feet, the diver is now at a depth of -56 1/2 feet. Write and solve an equation to determine the diver's initial depth.
x = 47 1/4
Diego aquarium contains 30 1/2 gallons of water. He drains the water at a rate of 5 gallons per minute for cleaning. Write and Solve an equation to determine in how many minutes the amount of water will reach 10 1/2 gallons.
4 = x