Duygu8786rans
Answered

x+y-4=0
3x-2y-7=0
denklem sistemine göre, x kaçtır?​

Sagot :

yok etme metodunu kullanırız.

yani üstteki denklemi 2 ile genişletelim.

2x+2y-8=0

3x-2y-7=0

alt alta iki denklemi toplarsak y ler gider.

5x-15=0

x=3 olur

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