subtract the sum of 5a - 7b + 7 and 4a - 7 + 4b from the sum of 9a - 7 - 2b and 14b - 2a +4
Answers
Answered by
4
Answer:
2a-9b-3
Step-by-step explanation:
(5a-7b+7)+(4a-7+4b)
5a-7b+7+4a-7+4b
5a+4a-7b+4b+7-7
=9a-3b
(9a-7-2b)+(14b-2a+4)
9a-7-2b+14b-2a+4
9a+2a-7+4-2b+14b
=11a-12b-3
11a-12b-3-(9a-3b)
11a-9a-12b+3b-3b
=2a-9-3(this is the final answer)
(take somebody others influence also ....because I exactly don't know the answer )
Similar questions