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- Lysbilde: 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.
- Lysbilde: 2
- Emm...
- Any other problem Adam?
- Lysbilde: 3
- How about linear non-linear, Fikry?
- HAHAHA, don't worry too much Adam. It's the same as linear equation.
- Lysbilde: 4
- Thank you Fikry
- I'll explain till you understand
- Lysbilde: 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.
- Lysbilde: 6
- Thanks for teaching me Fikry!
- No worries Adam.
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