Multi-Step Equations
x/3 - x/9 = 6
27
3/z = 1/8
24
The $10 book was discounted by 30%. James calculated the cost of the book
$7.00
Solve for m.
m - 4n = 8
What is:
m=4n+8
Solving Equations
6(6n - 2) = 8n - 40
What is:
n = -1
x/2 + 1/3 = 15/6
13/3
b/4 = 3/2
6
Jeremy wanted to buy a $25 basketball with a 8% sales tax but needed to know how much money he had to have in his wallet.
$27.00
Solve for x.
2x + 10y = -8
What is:
x = -5y - 4
Solving Equations
-4(-8p + 1) = -4 - 8p
What is:
p = 0
(2x-8)/10 = 6
26
If it takes Davis 30 minutes to drive down Hickory lane at 40 miles per hour, how long does it take him going 120?
10 minutes
The $20 concert ticket was increased to $36 on the day of the concert for a percent increase of _______?
80%
Solve for y.
7x - 5y = -25
What is:
y = (7/5)x + 5
Solving Equations
6a - 7(2a + 4) = -33 - 8a
What is:
No solution
Solving Equations.
254 = -2v - 6(2 +6v)
What is:
v = -7
If there are 1,200 calories in 8 oz of hot fudge, how many calories are in 3 oz of hot fudge?
450 Calories
Bill's family decided to buy the $220 trampoline with a 9.5% sales tax. His tax is _____?
$20.90
Solve for x.
u = xk + y
What is:
x = (u - y)/k
Solving Equations
-5(8n - 4) - n = - 16 - 5n
What is:
n = 1
Solving Equations
-93 = 7(-3k - 8) + 5
What is:
k = 2
If a car can drive 25 miles for every gallon of gas, and the car traveled 70 miles, how many gallons of gas did the car use?
2.8 gallons
The number of hairs on David's grandfather's head decreased from 110,000 to 80,000 when he went bald. The number of hairs on his head decreased by what percent?
27.3%
Solve for z.
3z + w = p
What is:
z = (p - w)/3
Solving Equations
-15 - 5x = 5(-x - 3)
What is:
Infinite solutions