Simplifying Expressions & Equations
Factor the following expression:
3x - 15
What is 3(x-5)
Write the expression:
the sum of triple a number and 12
What is 3x + 12
Xander bought 6 apples for $0.40 each and a loaf of bread at the store. He spent a total of $3.85.
Write an equation that you could use to solve for the price of the bread.
What is 6($0.40) + b = $3.85
Solve for x.
-2x + 7 = 49
What is x=-21
Factor the following expression:
6x + 18
What is
3(2x + 6)
Simplify the following expression:
y + y - 9 + y + 1
What is 3y - 8
Write the expression:
11 more than half a number
What is x/2 + 11 or 1/2x + 11
Ms. Whitaker went to Race Trac and bought some bags of candy for $2 each and a coffee for $3. She spent a total of $20 at the store. Write an equation to represent the situation, then find how many bags of candy Ms. Whitaker bought.
What is
2x + 3 = 21
Ms. Whitaker bought 9 bags of candy.
Solve for x.
2x + 20 = 40
What is x = 10
Simplify the following expression:
2(3x-1) + x
What is
7x - 1
Simplify the following expression:
-4 + 7x - x + 12
What is 6x + 8
Write the equation:
The product of 4 and twice a number is 60.
What is
4 * 2y = 60 or 2y * 4 = 60
What is
Tommy is 18
Brianna is 9
Solve for x.
10 - 6x = 70
Ms. Whitaker went to Race Trac and bought some bags of candy for $2 each and a coffee for $3. She spent a total of $20 at the store. Write an equation to represent the situation, then find how many bags of candy Ms. Whitaker bought.
What is
2x + 3 = 21
Ms. Whitaker bought 9 bags of candy.
Simplify the following expression:
5(4x - 2) - 13x
Kira is 5 inches shorter than her brother. If her brother is t inches tall, write an expression that represents Kira's height.
what is t - 5
Andre babysat 5 times this past month and earned the same amount of money each time. To thank him, the family gave him an extra $10 at the end of the month. Andre earned $99 from babysitting.
How much did Andre earn each time he babysat?
What is $17.80 dollars
Solve for x.
46 = -20 + 3x
What is x = 22
Destiny scored 4 points in her first basketball game. In her next 3 games, she scored the same amount of points in each game. If she scored a total of 19 points in all of the games, how many points did she score in each of the three games?
What is
"Destiny scored 5 points in each of the 3 games"
Which of the following are equivalent to 6(3x-2)+2-8x?
a) 3(5x-4)
b) 10x-10
c) 18x-2-8x
d) 2(-5x+4)
e) 10(x-1)
What are B and E
Write an equation for the following scenario:
A family of 5 drove to a concert. They paid $4 for parking. The tickets to the concert were all the same price. They paid $99 in total.
What is 5y + 4 = 99
At practice, Dawson does twice as many push-ups as Kameron, and he also did 30 jumping jacks. He does 62 exercises in total. The equation represents this situation: 2x + 30 = 62
What does the variable represent?
What is "the number of push ups Kameron does"
Solve for x.
0.2x + 3.9 = 5.78
What is x = 9.4
Identify the mistake in the following work:
4(x + 20) = 100
4x + 20 = 100
4x = 80
x = 20
What is
'Andre did not distribute the 4 to everything inside the parenthesis'