Solving Systems Using Subtraction
-3x + 2y = 23
5x+2y = -17
(-5, 4)
Where did Mr. Sawin go to college?
Central Washington University
Use ELIMINATION to solve each system of equations.
-x + y = 7
x + y = 1
(-3, 4)
Use elimination to solve each systems of equations
x + y = 2
-3x + 4y = 15
( 1 , -3 )
San Francisco - Baseball
Giants
12y+3x=18
5y+3x=4
( -2,2)
How many children does Mr. Sawin have?
Use ELIMINATION to solve each system of equations.
-4x + 5y = 17
4x + 6y = -6
(-3 , 1 )
Use elimination to solve each systems of equations
2x + 5y = 11
4x + 3y = 1
( -2 , 3 )
Seattle - Football
Seahawks
3x-5y=31
7x-5y=59
(7,-2)
What was Mr. Sawin's job before becoming a teacher?
Project Manager/ Engineer in Construction
Use ELIMINATION to solve each system of equations.
a + 4b = -4
a + 10b = -16
( 4 , 2 )
Use elimination to solve each systems of equations
12x - 3y = -3
6x + y = 1
( 0 , 1 )
Detroit - Basketball
Pistons
4x-7y=13
2x-7y=3
(5, -1)
What sports has Mr. Sawin coached at Glacier View?
Cross Country
Wrestling
2x + y = -8
x-y = 2
( -2 , -4 )
Mr. Santos, the curator of the children's museum, recently made two purchases of firing clay and poly clay for a visiting artist to sculpt. On Tuesday he bought 5 bogs of firing clay and 24 boxes of poly clay for $64.05. On Wednesday he bought 25 bags of firing clay and 8 boxes of poly clay for $51.45.
Create the systems of equations to represent this situation.
5x + 24y = 64.05
25x + 8y = 51.45
Milwaukee - Baseball
Brewers
8x+12y+20
5x+12y=-1
(7,-3)
How old is Mr. Sawin?
37
Jeremy and Kendrick each bought snacks for their friends at a skating rink. Jeremy bought 4 bags of popcorn and 2 plates of nachos for $18.50. Kendrick bought 7 bags of popcorn and 2 plates of nachos for $26.75
Write the systems of equations.
4x + 2y = 18.50
7x + 2y = 26.75
2x + 3y = 13
x + y = 7
Solve the above system of equations
( 8 , -1 )
Tampa Bay - Hockey
Lightning