Combining Like Terms
4x - 7y + 3y - 2x
2x - 4y
Sally bought a t-shirt that was marked up 15%.
Write an expression to represent the new price of the t-shirt, if the shirt usually cost (t) dollars.
t + .15t
1.15t
The length of the rectangle is x and the width of the rectangle is x + 5.
What is the perimeter?
4x + 10
2(x + 6)
2x + 12
What is 3x + 10, if x=5?
25
10a + 3b - 4 + 10a + 3b - 4
20a + 6b - 8
Sean bought a new hat that was on sale for 25% off.
Write an expression to represent the sale price of the hat if the hat originally cost (h) dollars.
h - 0.25h
0.75h
What is the perimeter?
12x - 8
-2(2x + 10)
-4x + -20
What is -5(y + 2), if y=7
-45
3f + (-2g) + 1 + (-4f + 5)
-1f - 2g + 6
Sandy had a savings account that earned 3% interest each year.
Write an expression to show how much money she would have in her account at the end of the year if she put in (m) dollars.
m + 0.03m
1.03m
The length of the rectangle is 3x and the width is 8x - 4.
What is the perimeter?
22x - 8
2(x + 2) + 3(x - 5)
5x - 11
One side of a square is x - 8.
Write an expression for the perimeter of the square.
What is the perimeter of the square if x=12?
4x - 32
16
(-3m + p) - (3m + p)
-6m
Sam had a coupon for 7% off a new pair of shoes.
Write an expression to represent the sale price of the shoes if the original price was (p) dollars.
p + 0.07p
1.07p
The length of the rectangle is 5x - 5 and the width is 4x + 1.
What is the perimeter?
18x - 8
3(2x + 7) - (x - 1)
5x + 22
Steve put money into a savings account with 6% interest.
Write an expression to represent how much money is in the account if Steve put in m dollars.
Then find how much money Steve would have in the account if he put in $200.
m + 0.06m
$212