Systems
I will demonstrate how to solve a system of equations
with two variables.
An Overview
What Do I already know?
(1 minutes)
What questions do I have?
(1 minutes)
Warm-up:
Solve this equation!
5n + 3 = 18
More Practice
Solve by Graphing
x-y=3
2x + y = 0
Solve by Graphing
x-y=3
2x + y = 0
Y=x-3
y = -2x
Solve by Graphing
Your Turn!
Brain Break
An Overview
Solve by Substitution
1. Solve for y!
1. Solve for y!
2. Plug in for y!
Your Turn!
Brain Break
An Overview
Solve by Elimination
4x - 2y = 4
2x + y = 6
4x - 2y = 4
2x + y = 6
Your Turn!