Упростите выражение.....
10a-5b-3a+4b+7a-7b 8 2 6
10a-5b/8 - 3a-12b/2 + 7a-7b/6 10a-5b-4(3a-12b)/8 + 7a-7b/6 10-5b-12a+48b/8 + 7a-7b/6 -2a+43b/8 + 7a-7b/6 3(-2a+43b)+4(7a-7b)/24 -6a+129b+28a-28b/24 22a+101b/24