Sagot :
1.elimination
2.elimination
3.add
4.subtract
5.solution
6.add
7.eliminate
8.subtract
9.eliminate
10.adding
11.adding
12.2.
13.2.
14.0.
15.(2.0.)
16.2.
17.0.
18.solution
1.elimination
2.elimination
3.add
4.subtract
5.solution
6.add
7.eliminate
8.subtract
9.eliminate
10.adding
11.adding
12.2.
13.2.
14.0.
15.(2.0.)
16.2.
17.0.
18.solution