3x + 5x +2y
8x + 2y
3x, if x=3
9
I have $50 and I spend $27 at the store. How much do I have left?
$50 - $27
4(x)
4x
2x + 4
2(x + 2)
2a – 4b + 3a + b
5a - 3b
3y + 2, if y=2
8
$22x
6(x + 2)
6x + 12
3x + 15
3(x + 5)
6m + 2n – 3m +5n
3m + 7n
2x - 4y, if x=2 and y=3
-8
Paying $5 for each ticket plus a $2 fee
5x + 2
5(2x - 3y)
10x - 15y
15x + 30
15 (x + 2)
4a – 5b + 2c – 3a + 4b -c
a - b + c
4(3x + 2y - 7x), if y=1 and x=3
-40
You have to buy a set of notebooks for school that costs $12 each and there is also a $7 shipping fee.
$12x + $7
4(7x + 3) - 21x
7x + 12
16x - 20y + 36z
4 (4x - 5y + 9z)
You have a quadrilateral with the following sides: 3x, 4x -1, 2x + 3, and 5x - 2.
Find the perimeter.
14x
A rectangular banner has a length of 2x + 5 feet and a width of 3 feet. What is the area when x=2?
54 feet
You are planning a party. You spend $3 per guest for snacks, $2 per guest for drinks, and $50 for decorations.
$3x + $2x + $50
-3/6 (4x - 10)
-2x + 5
3x + 15x + 30x
3x (1 + 5 + 10)