Solving 2-Step Equations
9x + 1 = 10
x = 1
The skateboard Rita would like to buy costs $6 less than 3 times the amount she has saved. The skateboard costs $69. How much money does Rita have saved?
$25
Solve 4x -36 < -12
x < 6
1.7 x 3
5.1
17 - q = 6
q = 11
Jackson is 6 years older than 3 times the age of his nephew. Jackson is 30 years old. Write and equation to find how old his nephew is.
3x + 6 = 30
Graph -3x + 6 > 12
x < -2
12/5 divided by 4
3/5
m/5 + 9 = 11
m = 10
Anita has soccer practice every day after school. On Friday, practice is only 1 hour. She practices a total of 9 hours a week. Write and equation that would help you find the amount of hours she practices on the rest of the days of the week and solve.
4x + 1 = 9
2 hours
A new theater is being built for the city ballet. The balcony has 100 seats. The floor has 20 rows with x seats in each row. The number of people in the theater must be under 400 to meet fire safety regulations. Write the inequality.
20x + 100 < 400
68.2 x 8.4
572.88
-x - 7/8 = -10
x = 73/8
or 9 1/8
Michelle walks some dogs every afternoon. She walked the same number of dogs each day except Friday, when she walked 3 dogs. If she walked a total of 15 dogs this week, how many dogs did she walk on each of the other 6 days? Write an equation and solve.
4x + 3 = 15
3 dogs
Solve -8x + 40 > -16
x < 7
9 3/5 + 4 4/10
14
(x - 11) / (1/7) = -1
x = 4
Sheldon gets paid $4 per hour to babysit his cousin. This weekend, he babysat on both Saturday and Sunday. He made a total of $56. Sheldon babysat for 8 hours on Sunday. For how many hours did he babysit on Saturday? Write the equation.
4 (x + 8) = 56
Solve and graph: -6x + 18 > -30
x < 8
Graph
You have a pentagram with equal side lengths of 6 inches. What is the perimeter of the pentagram?
30 inches