Elimination
x+4y=-8
x-4y=-8
What is (-8,0)?
2x-3y=-12
x=9-y
What is (3,6)?
y=3x-4
y=2x+5
What is (9,23)?
Janelle has $20 and is saving $6 per week. April has $150 and is spending $4 per week. When will they both have the same amount of money?
What is 13 weeks?
Kristin spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15. If she bought a total of 7 then how many of each kind did she buy?
What is 2 fancy shirts and 5 plain shirts?
2x+5y=3
-x+3y=-7
What is (4,-1)?
x=y-6
y=-2x-3
What is (-3,3)?
x=2+y
2x=14+2y
What is No Solution?
Sam and Hector are gaining weight for football season. Sam weighs 205 pounds and is gaining two pounds per week. Hector weighs 195 pounds but is gaining three pounds per week. In how many weeks will they both weigh the same amount?
What is 10 weeks?
There are 13 animals in the barn. Some are chickens and some are pigs. There are 40 legs in all. How many of each animal are there?
What is 6 chickens and 7 pigs?
2x-5y=-16
-2x+3y=12
What is (-3,2)?
y=2x-4
6x-3y=12
What is All Real Numbers?
y=22-2x
y=3x-28
What is (10,2)?
PhotosFast charges a fee of $2.50 plus $0.05 for each picture developed. PhotosQuick charges a fee of $3.70 plus $0.03 for each picture developed. For how many pictures will the total cost be the same at each shop?
What is 60 pictures?
Mike and Sally are math teachers at the same high school. If Mike has 6 more years of teaching experience than Sally has, and the two of them have 16 years of teaching experience combined, how many years of teaching experience does Sally have?
What is 5 years?
3x+5y=9
2x+y=13
What is (8,-3)?
2x+y=-8
3x-5y=-25
What is (-5,2)?
y=-6x+18
y=3x-9
What is (3,0)?
Playland Park charges $7 admission plus 75¢ per ride. Funland Park charges $12.50 admission plus 50¢ per ride. For what number of rides is the total cost the same at both parks?
What is 22 rides?
At a bakery apple pie slices sold for $3.50 each and blueberry muffins sold for $2.50 each. If there were 321 slices of apple pie and blueberry muffins sold total for the price of $937.50, how many slices and blueberry muffins were sold?
What is 135 slices of apple pie and 186 blueberry muffins?
4x-9y=20
16x-7y=80
What is (5,0)?
5x-y=-5
3x-6y=24
What is (-2,-5)?
x-2y=4
y=-(1/2)x+4
What is (6,1)?
A theater production charges $21 for adult tickets and $15 for student tickets. If the production sold 102 tickets for its opening night and made $1,932 in ticket sales, how many of each type of tickets were sold?
What is 67 adult tickets and 35 student tickets?
Tia and Ken each sold snack bars and magazine subscriptions for a school fundraiser. Tia sold 16 snack bars and 4 magazine subscriptions for a total of $132. Ken sold 20 snack bars and 6 magazine subscriptions for a total of $190. What was the price of one snack bar?
What is $2 for one snack bar?