1) -6х+6х
2) 7a-12a-9b+14b =
-5a - 23b
3) -0,8k-1,7k+0.5k+1.4+0.9 =
-3k+2.3
4) -1/6a+1/9a + 1/2b - 3/4b =
1/18a - 1/4b
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Answers & Comments
1) -6х+6х
2) 7a-12a-9b+14b =
-5a - 23b
3) -0,8k-1,7k+0.5k+1.4+0.9 =
-3k+2.3
4) -1/6a+1/9a + 1/2b - 3/4b =
1/18a - 1/4b