Answer:
23
Step-by-step explanation:
-4x+7
-4(-4)+7=16+7=23
Answer:

Step-by-step explanation:
2 4/5 + 2 3/5 = 4 7/5 = 4+1+2/5 = 5 2/5
Answer: the answer would be - 8/9
i used a calculator, so its correct.
Step-by-step explanation:
the answer to your question is x = b/a and x = 0