Brianna's thinking is incorrect.
Expessions A, and C. are equivalent.
For C, you add 5x and x together (because they have the same variable) to get 6x - 4.
For A, you subtract 9x and 3x (because they have the same variable) to get 6x- 4.
Answer:
Step-by-step explanation:
23
Answer:
16 and 19
Step-by-step explanation:
16 + 19 = 35
16 x 5 = 80
19 x 4 =76
80 is four less than 76 so therefore the answers are 16 and 19.
