Hp spldv metode eliminasi 4x-3y=53x+5y=11
Jawaban:
4x – 3y = 5 |×3
3x + 5y= 11 |×4
12x – 9y = 15
12x +20y = 44
———————- –
-29y = -29
y = -29/-29
y = 1
.
substitusi kan y = 1 ke ;
4x – 3y = 5
4x – 3(1) = 5
4x – 3 = 5
4x = 5 + 3
4x = 8
x = 8/4
x = 2