Lesson 5.3 Elimination.notebook
November 16, 2016
What happens in this expression? 4x ‐ 6y ‐ 10 + 5 ‐ 4x + 6y ‐ 5
Look for opposites and cancel them out! We can do the same thing with systems of equations!
Solve the system of linear equations by elimination. Check your solution.
1) 3x + 2y = 7 −3x + 4y = 5 2) 2x ­ 4y = 30
4x + 4y = ­12
Lesson 5.3 Elimination.notebook
November 16, 2016
Solve the system of linear equations by elimination. Check your solution.
3) 5x + 6y = 50 ­x + 6y = 26 4) x − 3y = 24
3x + y = 12 Solve the system of linear equations by elimination. Check your solution.
5) x + 4y = 22
4x + y = 13
6) 5x + 2y = 16
3x ­ 4y = 20
Lesson 5.3 Elimination.notebook
November 16, 2016
Solve the system of linear equations by elimination. Check your solution.
7) 2x + 3y = 7
x = 1 + y
Page 251 # 3­18 multiples of 3.
8) 4x ­ 3y = 8
5x ­ 2y = ­11
Lesson 5.3 Elimination.notebook
November 16, 2016