map cmn bisa yg bwh
4x= 11-3y
x= 11-3y ....(1)
---------
4
4x= 6y+10
* substitusi
4( 11-3y)= 6y+10
-------
(4 nya dicoret)
= 11-3y= 6y+10
-3y-6y= 10-11
-9y=-1
y= -1
---
-9
y= 1
--
9
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y = - 3x ... ( 1 )
y = 2x + 10 ... ( 2 )
Substitusikan ( 1 ) ke ( 2 )
- 3x = 2x + 10
- 3x - 2x = 10
- 5x = 10
x = - 2
Substitusikan
y = - 3x
y = - 3( - 2 )
y = 6
HP = { - 2, 6 }
2)
4x = 11 - 3y ... ( 1 )
4x = 6y + 10 ... ( 2 )
Substitusikan ( 1 ) ke ( 2 )
11 - 3y = 6y + 10
- 3y - 6y = 10 - 11
- 9y = - 1
y = 1/9
Substitusikan
4x = 11 - 3y
4x = 11 - 3( 1/9 )
4x = 11 - 1/3 .. ( dikali 3 )
12x = 33 - 1
12x = 32
x = 32/12
x = 8/3
HP = { 8/3, 1/9 }
map cmn bisa yg bwh
4x= 11-3y
x= 11-3y ....(1)
---------
4
4x= 6y+10
* substitusi
4( 11-3y)= 6y+10
-------
4
(4 nya dicoret)
= 11-3y= 6y+10
-3y-6y= 10-11
-9y=-1
y= -1
---
-9
y= 1
--
9