Sewanhaka High School
Mrs. Lidowsky, Principal
Math 8
Mr. Long, Teacher
Period:______________
Date:________________________
Name:___________________________________ (Use the back as more room to show your work.)
H.W. #42: Using Substitution to Solve a System of Equations
Directions: Answer the following questions. Show your work. Solve and check each system of equations.
1)
2)
3)
y=x–3
y = 2x
4)
5)
y = 3x + 8
8x + 4y = 12
6)