Combing Like Term
Combine like terms
6(5x - 6) - 6(2x + 1)
18x-42
Linear Equations: 3z - 15 = 3 (Find z)
z=6
Solve for h:
A = (1/3)bh
h = 3A / b
Solve for x:
1/3x + 8 > 5
x > -9
A company charges $300 for a one-time set-up fee and $28 per item. Write an expression for the total cost of x items.
28x + 300
Combine like terms: 3-2x+6x
3+4x
Solve:
5(t+4)=15
t = -1
Solve for a:
g = b - ca
a=(g - b)/ -c
Solve for x:
3x + 7 < 16
x < 3
Jamie sells x adult tickets at $7.25 each and 15 student tickets at $5.00 each. Write an equation (y=) for the total money collected.
y = 7.25x + 75
Combining Like Term: 3x + 14x + 2 = 121
x=7
Solve:
-2(4- x) = 6(x +4) + 4x
x= -4
The formula for the surface area of a cone is S = πr² + πrL. Solve for L
L = (S – πr²) / πr
Solve for x:
2/5 (2x - 1) > 10
x > 13
Mia has $3.10 in dimes and quarters. She has three more dimes than quarters. Which equation can be used to find the number of quarters x?
0.25x + 0.10(x + 3) = 3.10
Combining Like Term: 4x -2x + 8 +3x -1
5x+7
Solve:
(5x-2)/4 = (2x + 2)/2
x=6
Solve for f:
A = (1/2)(w + f)h
f = (2A / h) – w
Solve for x:
-3 < 2x + 5
x > -4
A book store has decided to sell Jason's Graphic Novel. The novel will sell for $15.50 a copy. If it costs Jason $300 to make 24 copies of his novels, how much money will he make if he is able to sell 20 copies of his novels?
$10
Combining Like Term: 7q + 5r -4 + 3s -3q +5r -3
4q+10r+3s-7
Solve:
2(x + 5) -7 = 3 (x - 2)
x= 9
Solve for x:
5(ax + 4) – 4ax = 40 + 4a
x = (20 + 4a) / a
Solve for x:
2/3x-6 ≤ -2
x ≤ 6
Billy is remodeling his house and is currently working on painting the exterior of his house. Billy knows that the surface area of the exterior of his house is 1,300 square feet. Billy already has 2 gallons of paint. If one gallon of paint will cover 400 square feet, how many more gallons will Billy need to buy to finish painting his house?
2 gallons