2. HOW TO SOLVE LINEAR EQUATION
SYSTEM WITH TWO VARIABLES ?
Graph Method
Substitution Method
Elimination Method
Substitution – Elimination Method
3. PAY ATTENTION, PLEASE...!!
Given the difference age between a father and his son
now is 26 years, meanwhile five years ago the both
sum of their age is 34 years. Determine each of
father’s age and his son’s age two years later!
What does the problem tell you?
What can you say about the problem?
Can you convert the word problem into Mathematics
Model?
What does the Mathematics topic that related to the
problem about?
How is your way to solve that?
