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Slajd: 1
3x+2y=4 ---1 From 1: 3(y)+2y=4x-y=0 ---2 5y=4 y=4/5 From 2: x-y=0 x=y ---3 Since y=4/5, x=4/5
Substitution
Okay Fikry. I'm so excited!
Now, I'll explain how to solve linear equation using substitution method.
Slajd: 2
Emm...
Any other problem Adam?
Slajd: 3
How about linear non-linear, Fikry?
HAHAHA, don't worry too much Adam. It's the same as linear equation.
Slajd: 4
Thank you Fikry
I'll explain till you understand
Slajd: 5
3x-y=0 ---1 From 2: x^2-y^2=-4 When x= √1/2 x^2-y^2=-4 ---2 x^2-(3x)^2=-4 y= 3(√1/2) x^2-9x^2=-4 = 2.1213From 1: 3x-y=0 -8x^2=-4 When x= √-1/2 -y=-3x x^2=1/2 y= 3(-√1/2) y=3x ---3 x= √ 1/2, x= -√1/2 = -2.1213
Linear Non-linear using substitution
Let me show you an example.
Sure Fikry.
Slajd: 6
Thanks for teaching me Fikry!
No worries Adam.

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