The answer is 8. This is because when you substitute 8 with “a” you then solve the problem to see if it is equal to the answer. -4+8=4... -4+4=0 so that is wrong and -4+O=-4 which is also incorrect.
Answer:
p=5
Step-by-step explanation:
Please give brainliest
Answer:
1920 a^2 b^2 c^2
Step-by-step explanation:
This is something I’ve never seen before I think you have to add the numbers.
Answer:
Step 3 contains error.
Step-by-step explanation:
The given equation is :

Step 1.
Cross multiplying,

Step 2.
Subtract 9 from both sides

Step 3.
Cross multiplying

So, there is an error in step 3. The correct answer should be 45.