10a+7b-13a-4b
10 a -13a +7b-4b
a(10-13) +b(7-4)
-3a+3b
Answer:
-3a + 3a
Step-by-step explanation:
10a + 7b - 13a - 4b
(10a - 13a) + (7b - 4b)
Best of Luck!
