x+2y=3 dan 4x+3y=12 metode subtitusi

X+2y= 3 >>> X = 3-2y (disubstitusi kan)
4x+3y=12

4(3-2y)+3y=12
12-8y+3y=12
-5y = 12-12
-5y = 0
y = 0

4x+3(0)=12
4x+0=12
4x=12
x = 12/4
X=3

(x,y)(3,0)
maaf jika ada kesalahan