Solving Systems of Equations Using Elimination

Front

4x+8y=20
-4x+2y=-30

Back

(7,-1)

Front

Cost to purchase 2 lbs of coffee and 3 lbs of tea is $19.00. Cost to purchase 5 lbs of coffee and 6 lbs of tea is $41.50. What is the price per pound of coffee?

Back

$3.50

Front

x-y=11
2x+y=19

Back

(10,-1)

Front

Solve the system of equations: -6x+5y=1 and 6x+4y=-10

Back

(-1,-1)

Front

Solve the system of Equation (x,y)
x + 4y = –3
 x + 7y = –12 

Back

(9,3)

Front

Solve the system of equations: 2x – y = 17, x – y = 10

Back

(7,-3)

Front

Solve the system of Equation (x,y)
3x + 2y = –13
3x + 4y = 1 

Back

(-9,7)

Front

Solve the system of Equation (x,y)
–x + 9y = –5
x –5y = 1  

Back

(-4,-1)

Front

Solve the system of Equation (x,y)
3x + y = –21
x + y = –5

Back

(-8,3)

Front

Solve this system using elimination:
4x+ 9y = 28
-4x -y = -28

Back

(7,0)