Substitution Method.notebook
October 16, 2015
Solving Systems of Equations Algebraically
using SUBSTITUTION.
Objective:
Students will learn how to solve a system of
equations algebraically using substitution.
HW in textbook pages 439­440 # 10­24 EVENS Substitution Method.notebook
October 16, 2015
Here is a system of two linear equations.
Verify that the solution to this system is
y=x+1
y = -2x + 10
(3,4)
Solving systems by substitution
y = 2x + 1
x-y=7
Substitution Method.notebook
October 16, 2015
Solve using substitution
y - 8 = -1x
2
y + 1 = 4x
Solve using substitution
y = ­x + 4
y = 2x ­ 8
Substitution Method.notebook
October 16, 2015
Solve each system
x = y + 2
y = ­x ­ 8
y = ­x + 4
y = 2x ­ 8
Substitution Method.notebook
October 16, 2015
Substitution Method.notebook
October 16, 2015