Combining Like Terms
Simplify 3x + 2x
5x
Simplify 2(x + 3)
2x + 6
Solve x + 5 = 12 for x
x = 7
Maria bought 3 pencils. Each pencil cost x dollars. If she spent $9, what is x?
x = $3
Simplify 4y + 2 - y + 7
3y + 9
Factor 6x + 12 by GCF
6(x + 2)
Solve 2x - 3 = -7 for x
x = -2
A rental car company charges a flat fee of $200 plus $35 per day to rent a car. If the total cost of renting the car is $375, how many days did you rent the car?
5 days
Simplify 6a - 2b + 3a + 5b - 4
9a + 3b - 4
Simplify -3(2x - 4)
-6x + 12
Solve 3(x + 4) = 24 for x
x = 4
Six wheeler middle schools students each bought 3 Otter Pops and 4 Scrips for Movie on the Lawn. Otter Pops were 25 cents each and the grand total was $17.50. How much did a Scrip cost?
$1
Simplify -3x + 2y2 - 7 + 6x - y + 4
2y2 - y + 3x - 3
Simplify 4(x - 1) + 3(x + 5) + 3, then factor by GCF
7(x + 2)
1/2(4x+6)−3=7
x = 7/2
A rectangle’s length is 3 ft more than its width. If the perimeter is 26 ft, what is the width?
HINT: Define length in terms of width (w) using the first sentence
Width = 5 ft