Linear Equations
Solve: 4x + 2 = 18
x=4
Solve: 7a - 5a + 4 = 14
a=5
7 less than 12 means ...
y=12-7
y=5
Franki has $200. She spent $50 on shoes. If each shirt costs $15, how many shirts can she buy?
10 shirts
Solve: 6x = 18
x=3
Solve: -18 - 3y = -12
y=-2
Solve: 9g - 6 = 10 + 5g
g=4
6 more than twice 3 means ...
y=2(3)+6
y=12
A fitness club charges $40 to join plus $10 per month. If Jason has $180 to spend, how many months can he afford to pay for in advance?
14 months
Solve: 12x + 2 = 26
x=2
Solve: -8 + 4y = 12
y=5
Solve: 10 - 2a = 8a
a=1
2 less than 3 times 4 means ...
y=3(4)-2
y=10
Mr. Krupa flew 2,625 miles this summer from Hartford to California. If 1,500 miles was spent flying from Hartford to Dallas, what was the distance he flew from Dallas to California?
1125 miles
Solve: 1 + 9x = 10
x=1
Solve: 15 - r = 8
r=7
Solve: 15 - 2a - 3a = 0
a=3
The sum of x and 4 is ...
y=x+4
Lucy has $20 to spend on dog bones. She already spent $5 on a new toy. If each dog treat costs $0.50, how many dog treats can she afford to buy?
30 dog treats
Solve: 2x + 8 = 24
x=8
Solve: 16 = -13 + 4a - 3a
a=29
Solve: 6 + 14a - 8a = 0
a=-1
Two times the sum of x and 4 means ...
y=2(x+4)
Stacy needs a new iPod. Her current iPod holds 500 songs. If the new iPod will hold 200 less songs than 2 times as many as her old iPod, how many songs will her new iPod hold?
800 songs
Solve: 10p - 6p + 2 - p = 23
p=7