3a +4 +6a -12
9a-8
4y +6= 18
y=3
(subtract 6 then divide by 4)
Solve if a=9
3a-2
25
3 times a number plus 14 equals 41. What is the number?
9
Solve for a: 9a-8=89
a=11
(Add 8, divide by 9)
Distribute the following expression:
2.5 (6c+4)
15c+10
0.5b -6=20
b=52
(add 6, divide by 0.5 or multiply by 2)
Solve if m= -2.5
92-4m
102
Jorge goes to to the store and buys 10 packs of gum and a bottle of sprite for $2. He spends $15.50 total. How much does each pack of gum cost?
$1.25
Jamie babysits for an hourly rate of 11 and asks for an 8 dollar fee for driving to the house. If she makes $129, how many hours did she basbysit?
11 hours
(Equation: 11h+8=129
subtract 8 then divide by 11)
(13y+4) - (2y -6)
11y +10
b/4 + 1.2=15
b=55.2
(subtract 1.2 then multiply by 4)
Substitute and Solve:
5(1.5a-6) if a=6
15
Pranav rented a bike from DeShawn's Bikes. It cost $13.90 plus $5.20 per hour. If Pranav paid $55.50 then he rented the bike for how many hours?
8 hours
Solve for c:
0.5c -13 = 25
c=76
(I.O. 1 add 13,
I.O.2 divide by 0.5 OR multiply by 2)
Distribute then combine like terms:
4a + 3(2a +4)
10a +12
2 (3a-4) +12= 19
a=2.5
Substitute and solve
3/2(10-2d) if d=1.5
10.5, 21/2 or 10 1/2
For a field trip 4 students rode in cars and the rest filled nine buses. How many students were in each bus if 472 students were on the trip?
52 students on each bus
(4b+4= 472)
-1.4 + 0.2m= 16.2
m=88
I.O.1: add 1.4
I.O.2: divide by 0.2 or multiply by 5
Double distribute and simplify by combining like terms:
4g + 6 (1.5g-3) -2 (g+2.5)
11g-23
1.3(6a-4) + 2(4a-2.5) = 21.4
a=2
Substitute and Solve for the following expression
6.2 [9r + (-2)] if r=2.5
127.1
The General Store sells friendship bracelets. This week, the bracelets are on sale for 2 dollars off each bracelet. Jenny purchased bracelets for her 8 friends and spent a total of $40. What was the original price of the bracelets?
x=7
Mr. Schmidt’s car has a 15.8 gallon gas tank. He pulls into the station with 2.6 gallons left in the tank. If the gas pump pumps 2.2 gallons per minute, how long will it take to fill the tank. Let m represent the number of minutes to fill the gas tank.
m= 6 minutes