1) x + y + z = 5

By Posted on

2x + 3b-4c = -11
3x + 2b-C= -6

2) a+b-C= -3
a + 2b + c = 7
2a + b + c = 4​

1) x + y + z = 5

Jawaban:

1) 1 + 2 + 2 = 5

2) (-10) + 3 – 4 = -11

3) -6 + 2 +(- 2) = – 6